diff --git a/icu4c/source/data/misc/zoneinfo64.txt b/icu4c/source/data/misc/zoneinfo64.txt
index 45800f3..9c35594 100644
--- a/icu4c/source/data/misc/zoneinfo64.txt
+++ b/icu4c/source/data/misc/zoneinfo64.txt
@@ -3,17 +3,17 @@
 // License & terms of use: http://www.unicode.org/copyright.html
 //---------------------------------------------------------
 // Build tool:  tz2icu
-// Build date:  Wed Nov 30 02:02:40 2022
+// Build date:  Thu Mar 23 12:04:20 2023
 // tz database: ftp://ftp.iana.org/tz/
-// tz version:  2022g
-// ICU version: 72.1
+// tz version:  2023a
+// ICU version: 73.1
 //---------------------------------------------------------
 // >> !!! >>   THIS IS A MACHINE-GENERATED FILE   << !!! <<
 // >> !!! >>>            DO NOT EDIT             <<< !!! <<
 //---------------------------------------------------------
 
 zoneinfo64:table(nofallback) {
- TZVersion { "2022g" }
+ TZVersion { "2023a" }
  Zones:array { 
   /* ACT */ :int { 357 } //Z#0
   /* AET */ :int { 369 } //Z#1
@@ -49,14 +49,17 @@
   /* Africa/Bujumbura */ :int { 43 } //Z#17
   /* Africa/Cairo */ :table {
     transPre32:intvector { -1, 2109558187 }
-    trans:intvector { -929844000, -923108400, -906170400, -892868400, -875844000, -857790000, -844308000, -825822000, -812685600, -794199600, -779853600, -762663600, -399088800, -386650800, -368330400, -355114800, -336790800, -323654400, -305168400, -292032000, -273632400, -260496000, -242096400, -228960000, -210560400, -197424000, -178938000, -165801600, -147402000, -134265600, -115866000, -102643200, -84330000, -71107200, -52707600, -39484800, -21171600, -7948800, 10364400, 23587200, 41900400, 55123200, 73522800, 86745600, 105058800, 118281600, 136594800, 149817600, 168130800, 181353600, 199753200, 212976000, 231289200, 244512000, 262825200, 276048000, 294361200, 307584000, 325983600, 339206400, 357519600, 370742400, 396399600, 402278400, 426812400, 433814400, 452214000, 465436800, 483750000, 496972800, 515286000, 528508800, 546822000, 560044800, 578444400, 591667200, 610412400, 623203200, 641516400, 654739200, 673052400, 686275200, 704674800, 717897600, 736210800, 749433600, 767746800, 780969600, 799020000, 812322000, 830469600, 843771600, 861919200, 875221200, 893368800, 906670800, 925423200, 938725200, 956872800, 970174800, 988322400, 1001624400, 1019772000, 1033074000, 1051221600, 1064523600, 1083276000, 1096578000, 1114725600, 1128027600, 1146175200, 1158872400, 1177624800, 1189112400, 1209074400, 1219957200, 1240524000, 1250802000, 1272578400, 1281474000, 1284069600, 1285880400, 1400191200, 1403816400, 1406844000, 1411678800 }
+    trans:intvector { -929844000, -923108400, -906170400, -892868400, -875844000, -857790000, -844308000, -825822000, -812685600, -794199600, -779853600, -762663600, -399088800, -386650800, -368330400, -355114800, -336790800, -323654400, -305168400, -292032000, -273632400, -260496000, -242096400, -228960000, -210560400, -197424000, -178938000, -165801600, -147402000, -134265600, -115866000, -102643200, -84330000, -71107200, -52707600, -39484800, -21171600, -7948800, 10364400, 23587200, 41900400, 55123200, 73522800, 86745600, 105058800, 118281600, 136594800, 149817600, 168130800, 181353600, 199753200, 212976000, 231289200, 244512000, 262825200, 276048000, 294361200, 307584000, 325983600, 339206400, 357519600, 370742400, 396399600, 402278400, 426812400, 433814400, 452214000, 465436800, 483750000, 496972800, 515286000, 528508800, 546822000, 560044800, 578444400, 591667200, 610412400, 623203200, 641516400, 654739200, 673052400, 686275200, 704674800, 717897600, 736210800, 749433600, 767746800, 780969600, 799020000, 812322000, 830469600, 843771600, 861919200, 875221200, 893368800, 906670800, 925423200, 938725200, 956872800, 970174800, 988322400, 1001624400, 1019772000, 1033074000, 1051221600, 1064523600, 1083276000, 1096578000, 1114725600, 1128027600, 1146175200, 1158872400, 1177624800, 1189112400, 1209074400, 1219957200, 1240524000, 1250802000, 1272578400, 1281474000, 1284069600, 1285880400, 1400191200, 1403816400, 1406844000, 1411678800, 1682632800, 1698354000 }
     typeOffsets:intvector { 7509, 0, 7200, 0, 7200, 3600 }
-    typeMap:bin { "01020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201" }
+    typeMap:bin { "010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201" }
+    finalRule { "Egypt" }
+    finalRaw:int { 7200 }
+    finalYear:int { 2024 }
     links:intvector { 3, 18, 403 }
   } //Z#18
   /* Africa/Casablanca */ :table {
-    trans:intvector { -1773012580, -956361600, -950490000, -942019200, -761187600, -617241600, -605149200, -81432000, -71110800, 141264000, 147222000, 199756800, 207702000, 231292800, 244249200, 265507200, 271033200, 448243200, 504918000, 1212278400, 1220223600, 1243814400, 1250809200, 1272758400, 1281222000, 1301788800, 1312066800, 1335664800, 1342749600, 1345428000, 1348970400, 1367114400, 1373162400, 1376100000, 1382839200, 1396144800, 1403920800, 1406944800, 1414288800, 1427594400, 1434247200, 1437271200, 1445738400, 1459044000, 1465092000, 1468116000, 1477792800, 1490493600, 1495332000, 1498960800, 1509242400, 1521943200, 1526176800, 1529200800, 1557021600, 1560045600, 1587261600, 1590890400, 1618106400, 1621130400, 1648346400, 1651975200, 1679191200, 1682820000, 1710036000, 1713060000, 1740276000, 1743904800, 1771120800, 1774144800, 1801965600, 1804989600, 1832205600, 1835834400, 1863050400, 1866074400, 1893290400, 1896919200, 1924135200, 1927764000, 1954980000, 1958004000, 1985220000, 1988848800, 2016064800, 2019088800, 2046304800, 2049933600, 2077149600, 2080778400, 2107994400, 2111018400, 2138234400, 2141863200 }
-    transPost32:intvector { 0, -2125888096, 0, -2122259296, 0, -2095043296, 0, -2092019296, 0, -2064803296, 0, -2061174496, 0, -2033958496, 0, -2030934496, 0, -2003718496, 0, -2000089696, 0, -1972873696, 0, -1969244896, 0, -1942028896, 0, -1939004896, 0, -1911788896, 0, -1908160096, 0, -1880944096, 0, -1877315296, 0, -1850099296, 0, -1847075296, 0, -1819859296, 0, -1816230496, 0, -1789014496, 0, -1785990496, 0, -1758774496, 0, -1755145696, 0, -1727929696, 0, -1724300896, 0, -1697084896, 0, -1694060896, 0, -1666844896, 0, -1663216096, 0, -1636000096, 0, -1632371296, 0, -1605155296, 0, -1602131296, 0, -1574915296, 0, -1571286496, 0, -1544070496, 0, -1541046496, 0, -1513830496, 0, -1510201696, 0, -1482985696, 0, -1479356896, 0, -1452140896, 0, -1449116896, 0, -1421900896, 0, -1418272096, 0, -1391056096, 0, -1387427296, 0, -1360211296, 0, -1357187296, 0, -1329971296, 0, -1326342496, 0, -1299126496, 0, -1296102496, 0, -1268886496, 0, -1265257696, 0, -1238041696, 0, -1234412896, 0, -1207196896, 0, -1204172896, 0, -1176956896, 0, -1173328096, 0, -1146112096, 0, -1142483296, 0, -1115267296, 0, -1112243296, 0, -1085027296, 0, -1081398496, 0, -1054182496, 0, -1051158496, 0, -1023942496, 0, -1020313696, 0, -993097696, 0, -989468896, 0, -962252896, 0, -959228896, 0, -932012896, 0, -928384096, 0, -901168096, 0, -897539296, 0, -870323296, 0, -867299296, 0, -840083296, 0, -836454496, 0, -809238496, 0, -806214496, 0, -778998496, 0, -775369696, 0, -748153696, 0, -744524896, 0, -717308896, 0, -714284896, 0, -687068896, 0, -683440096, 0, -656224096, 0, -652595296, 0, -625379296, 0, -622355296, 0, -595139296, 0, -591510496 }
+    trans:intvector { -1773012580, -956361600, -950490000, -942019200, -761187600, -617241600, -605149200, -81432000, -71110800, 141264000, 147222000, 199756800, 207702000, 231292800, 244249200, 265507200, 271033200, 448243200, 504918000, 1212278400, 1220223600, 1243814400, 1250809200, 1272758400, 1281222000, 1301788800, 1312066800, 1335664800, 1342749600, 1345428000, 1348970400, 1367114400, 1373162400, 1376100000, 1382839200, 1396144800, 1403920800, 1406944800, 1414288800, 1427594400, 1434247200, 1437271200, 1445738400, 1459044000, 1465092000, 1468116000, 1477792800, 1490493600, 1495332000, 1498960800, 1509242400, 1521943200, 1526176800, 1529200800, 1557021600, 1560045600, 1587261600, 1590890400, 1618106400, 1621130400, 1648346400, 1651975200, 1679191200, 1682215200, 1710036000, 1713060000, 1740276000, 1743904800, 1771120800, 1774144800, 1801965600, 1804989600, 1832205600, 1835834400, 1863050400, 1866074400, 1893290400, 1896919200, 1924135200, 1927159200, 1954980000, 1958004000, 1985220000, 1988848800, 2016064800, 2019088800, 2046304800, 2049933600, 2077149600, 2080778400, 2107994400, 2111018400, 2138234400, 2141863200 }
+    transPost32:intvector { 0, -2125888096, 0, -2122864096, 0, -2095043296, 0, -2092019296, 0, -2064803296, 0, -2061174496, 0, -2033958496, 0, -2030934496, 0, -2003718496, 0, -2000089696, 0, -1972873696, 0, -1969244896, 0, -1942028896, 0, -1939004896, 0, -1911788896, 0, -1908160096, 0, -1880944096, 0, -1877920096, 0, -1850099296, 0, -1847075296, 0, -1819859296, 0, -1816230496, 0, -1789014496, 0, -1785990496, 0, -1758774496, 0, -1755145696, 0, -1727929696, 0, -1724300896, 0, -1697084896, 0, -1694060896, 0, -1666844896, 0, -1663216096, 0, -1636000096, 0, -1632976096, 0, -1605155296, 0, -1602131296, 0, -1574915296, 0, -1571286496, 0, -1544070496, 0, -1541046496, 0, -1513830496, 0, -1510201696, 0, -1482985696, 0, -1479356896, 0, -1452140896, 0, -1449116896, 0, -1421900896, 0, -1418272096, 0, -1391056096, 0, -1388032096, 0, -1360211296, 0, -1357187296, 0, -1329971296, 0, -1326342496, 0, -1299126496, 0, -1296102496, 0, -1268886496, 0, -1265257696, 0, -1238041696, 0, -1234412896, 0, -1207196896, 0, -1204172896, 0, -1176956896, 0, -1173328096, 0, -1146112096, 0, -1143088096, 0, -1115267296, 0, -1112243296, 0, -1085027296, 0, -1081398496, 0, -1054182496, 0, -1051158496, 0, -1023942496, 0, -1020313696, 0, -993097696, 0, -989468896, 0, -962252896, 0, -959228896, 0, -932012896, 0, -928384096, 0, -901168096, 0, -898144096, 0, -870323296, 0, -867299296, 0, -840083296, 0, -836454496, 0, -809238496, 0, -806214496, 0, -778998496, 0, -775369696, 0, -748153696, 0, -745129696, 0, -717308896, 0, -714284896, 0, -687068896, 0, -683440096, 0, -656224096, 0, -653200096, 0, -625379296, 0, -622355296, 0, -595139296, 0, -591510496 }
     typeOffsets:intvector { -1820, 0, 0, 0, 0, 3600, 3600, 0 }
     typeMap:bin { "01020102010201020102010201020102010301020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102" }
   } //Z#19
@@ -75,8 +78,8 @@
   /* Africa/Djibouti */ :int { 48 } //Z#24
   /* Africa/Douala */ :int { 36 } //Z#25
   /* Africa/El_Aaiun */ :table {
-    trans:intvector { -1136070432, 198291600, 199756800, 207702000, 231292800, 244249200, 265507200, 271033200, 1212278400, 1220223600, 1243814400, 1250809200, 1272758400, 1281222000, 1301788800, 1312066800, 1335664800, 1342749600, 1345428000, 1348970400, 1367114400, 1373162400, 1376100000, 1382839200, 1396144800, 1403920800, 1406944800, 1414288800, 1427594400, 1434247200, 1437271200, 1445738400, 1459044000, 1465092000, 1468116000, 1477792800, 1490493600, 1495332000, 1498960800, 1509242400, 1521943200, 1526176800, 1529200800, 1557021600, 1560045600, 1587261600, 1590890400, 1618106400, 1621130400, 1648346400, 1651975200, 1679191200, 1682820000, 1710036000, 1713060000, 1740276000, 1743904800, 1771120800, 1774144800, 1801965600, 1804989600, 1832205600, 1835834400, 1863050400, 1866074400, 1893290400, 1896919200, 1924135200, 1927764000, 1954980000, 1958004000, 1985220000, 1988848800, 2016064800, 2019088800, 2046304800, 2049933600, 2077149600, 2080778400, 2107994400, 2111018400, 2138234400, 2141863200 }
-    transPost32:intvector { 0, -2125888096, 0, -2122259296, 0, -2095043296, 0, -2092019296, 0, -2064803296, 0, -2061174496, 0, -2033958496, 0, -2030934496, 0, -2003718496, 0, -2000089696, 0, -1972873696, 0, -1969244896, 0, -1942028896, 0, -1939004896, 0, -1911788896, 0, -1908160096, 0, -1880944096, 0, -1877315296, 0, -1850099296, 0, -1847075296, 0, -1819859296, 0, -1816230496, 0, -1789014496, 0, -1785990496, 0, -1758774496, 0, -1755145696, 0, -1727929696, 0, -1724300896, 0, -1697084896, 0, -1694060896, 0, -1666844896, 0, -1663216096, 0, -1636000096, 0, -1632371296, 0, -1605155296, 0, -1602131296, 0, -1574915296, 0, -1571286496, 0, -1544070496, 0, -1541046496, 0, -1513830496, 0, -1510201696, 0, -1482985696, 0, -1479356896, 0, -1452140896, 0, -1449116896, 0, -1421900896, 0, -1418272096, 0, -1391056096, 0, -1387427296, 0, -1360211296, 0, -1357187296, 0, -1329971296, 0, -1326342496, 0, -1299126496, 0, -1296102496, 0, -1268886496, 0, -1265257696, 0, -1238041696, 0, -1234412896, 0, -1207196896, 0, -1204172896, 0, -1176956896, 0, -1173328096, 0, -1146112096, 0, -1142483296, 0, -1115267296, 0, -1112243296, 0, -1085027296, 0, -1081398496, 0, -1054182496, 0, -1051158496, 0, -1023942496, 0, -1020313696, 0, -993097696, 0, -989468896, 0, -962252896, 0, -959228896, 0, -932012896, 0, -928384096, 0, -901168096, 0, -897539296, 0, -870323296, 0, -867299296, 0, -840083296, 0, -836454496, 0, -809238496, 0, -806214496, 0, -778998496, 0, -775369696, 0, -748153696, 0, -744524896, 0, -717308896, 0, -714284896, 0, -687068896, 0, -683440096, 0, -656224096, 0, -652595296, 0, -625379296, 0, -622355296, 0, -595139296, 0, -591510496 }
+    trans:intvector { -1136070432, 198291600, 199756800, 207702000, 231292800, 244249200, 265507200, 271033200, 1212278400, 1220223600, 1243814400, 1250809200, 1272758400, 1281222000, 1301788800, 1312066800, 1335664800, 1342749600, 1345428000, 1348970400, 1367114400, 1373162400, 1376100000, 1382839200, 1396144800, 1403920800, 1406944800, 1414288800, 1427594400, 1434247200, 1437271200, 1445738400, 1459044000, 1465092000, 1468116000, 1477792800, 1490493600, 1495332000, 1498960800, 1509242400, 1521943200, 1526176800, 1529200800, 1557021600, 1560045600, 1587261600, 1590890400, 1618106400, 1621130400, 1648346400, 1651975200, 1679191200, 1682215200, 1710036000, 1713060000, 1740276000, 1743904800, 1771120800, 1774144800, 1801965600, 1804989600, 1832205600, 1835834400, 1863050400, 1866074400, 1893290400, 1896919200, 1924135200, 1927159200, 1954980000, 1958004000, 1985220000, 1988848800, 2016064800, 2019088800, 2046304800, 2049933600, 2077149600, 2080778400, 2107994400, 2111018400, 2138234400, 2141863200 }
+    transPost32:intvector { 0, -2125888096, 0, -2122864096, 0, -2095043296, 0, -2092019296, 0, -2064803296, 0, -2061174496, 0, -2033958496, 0, -2030934496, 0, -2003718496, 0, -2000089696, 0, -1972873696, 0, -1969244896, 0, -1942028896, 0, -1939004896, 0, -1911788896, 0, -1908160096, 0, -1880944096, 0, -1877920096, 0, -1850099296, 0, -1847075296, 0, -1819859296, 0, -1816230496, 0, -1789014496, 0, -1785990496, 0, -1758774496, 0, -1755145696, 0, -1727929696, 0, -1724300896, 0, -1697084896, 0, -1694060896, 0, -1666844896, 0, -1663216096, 0, -1636000096, 0, -1632976096, 0, -1605155296, 0, -1602131296, 0, -1574915296, 0, -1571286496, 0, -1544070496, 0, -1541046496, 0, -1513830496, 0, -1510201696, 0, -1482985696, 0, -1479356896, 0, -1452140896, 0, -1449116896, 0, -1421900896, 0, -1418272096, 0, -1391056096, 0, -1388032096, 0, -1360211296, 0, -1357187296, 0, -1329971296, 0, -1326342496, 0, -1299126496, 0, -1296102496, 0, -1268886496, 0, -1265257696, 0, -1238041696, 0, -1234412896, 0, -1207196896, 0, -1204172896, 0, -1176956896, 0, -1173328096, 0, -1146112096, 0, -1143088096, 0, -1115267296, 0, -1112243296, 0, -1085027296, 0, -1081398496, 0, -1054182496, 0, -1051158496, 0, -1023942496, 0, -1020313696, 0, -993097696, 0, -989468896, 0, -962252896, 0, -959228896, 0, -932012896, 0, -928384096, 0, -901168096, 0, -898144096, 0, -870323296, 0, -867299296, 0, -840083296, 0, -836454496, 0, -809238496, 0, -806214496, 0, -778998496, 0, -775369696, 0, -748153696, 0, -745129696, 0, -717308896, 0, -714284896, 0, -687068896, 0, -683440096, 0, -656224096, 0, -653200096, 0, -625379296, 0, -622355296, 0, -595139296, 0, -591510496 }
     typeOffsets:intvector { -3168, 0, -3600, 0, 0, 0, 0, 3600 }
     typeMap:bin { "0102030203020302030203020302030203020302030203020302030203020302030203020302030203020302030203020302030203020302030203020302030203020302030203020302030203020302030203020302030203020302030203020302030203020302030203020302030203020302030203020302030203020302030203020302030203020302030203020302030203020302030203020302030203020302030203020302030203020302030203020302030203" }
   } //Z#26
@@ -442,7 +445,7 @@
     finalRule { "Canada" }
     finalRaw:int { -25200 }
     finalYear:int { 2008 }
-    links:intvector { 113, 390 }
+    links:intvector { 113, 226, 390 }
   } //Z#113
   /* America/Eirunepe */ :table {
     trans:intvector { -1767208832, -1206950400, -1191355200, -1175367600, -1159819200, -633812400, -622062000, -602276400, -591825600, -570740400, -560203200, -539118000, -531345600, -191358000, -184190400, -155156400, -150062400, -128890800, -121118400, -99946800, -89582400, -68410800, -57960000, 499755600, 511243200, 530600400, 540273600, 562136400, 571204800, 750834000, 761716800, 1214283600, 1384056000 }
@@ -839,9 +842,12 @@
     finalYear:int { 2008 }
   } //Z#180
   /* America/Nuuk */ :table {
-    trans:intvector { -1686083584, 323845200, 338950800, 354675600, 370400400, 386125200, 401850000, 417574800, 433299600, 449024400, 465354000, 481078800, 496803600, 512528400, 528253200, 543978000, 559702800, 575427600, 591152400, 606877200, 622602000, 638326800, 654656400, 670381200, 686106000, 701830800, 717555600, 733280400, 749005200, 764730000, 780454800, 796179600, 811904400, 828234000, 846378000, 859683600, 877827600, 891133200, 909277200, 922582800, 941331600, 954032400, 972781200, 985482000, 1004230800, 1017536400, 1035680400, 1048986000, 1067130000, 1080435600, 1099184400, 1111885200, 1130634000, 1143334800, 1162083600, 1174784400, 1193533200, 1206838800, 1224982800, 1238288400, 1256432400, 1269738000, 1288486800, 1301187600, 1319936400, 1332637200, 1351386000, 1364691600, 1382835600, 1396141200, 1414285200, 1427590800, 1445734800, 1459040400, 1477789200, 1490490000, 1509238800, 1521939600, 1540688400, 1553994000, 1572138000, 1585443600, 1603587600, 1616893200, 1635642000, 1648342800, 1667091600, 1679792400 }
-    typeOffsets:intvector { -12416, 0, -10800, 0, -10800, 3600, -7200, 0 }
-    typeMap:bin { "01020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020103" }
+    trans:intvector { -1686083584, 323845200, 338950800, 354675600, 370400400, 386125200, 401850000, 417574800, 433299600, 449024400, 465354000, 481078800, 496803600, 512528400, 528253200, 543978000, 559702800, 575427600, 591152400, 606877200, 622602000, 638326800, 654656400, 670381200, 686106000, 701830800, 717555600, 733280400, 749005200, 764730000, 780454800, 796179600, 811904400, 828234000, 846378000, 859683600, 877827600, 891133200, 909277200, 922582800, 941331600, 954032400, 972781200, 985482000, 1004230800, 1017536400, 1035680400, 1048986000, 1067130000, 1080435600, 1099184400, 1111885200, 1130634000, 1143334800, 1162083600, 1174784400, 1193533200, 1206838800, 1224982800, 1238288400, 1256432400, 1269738000, 1288486800, 1301187600, 1319936400, 1332637200, 1351386000, 1364691600, 1382835600, 1396141200, 1414285200, 1427590800, 1445734800, 1459040400, 1477789200, 1490490000, 1509238800, 1521939600, 1540688400, 1553994000, 1572138000, 1585443600, 1603587600, 1616893200, 1635642000, 1648342800, 1667091600, 1679792400, 1698541200, 1711846800, 1729990800 }
+    typeOffsets:intvector { -12416, 0, -10800, 0, -10800, 3600, -7200, 0, -7200, 3600 }
+    typeMap:bin { "01020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102030403" }
+    finalRule { "EU" }
+    finalRaw:int { -7200 }
+    finalYear:int { 2025 }
     links:intvector { 121, 181 }
   } //Z#181
   /* America/Ojinaga */ :table {
@@ -1071,14 +1077,7 @@
     finalRaw:int { -32400 }
     finalYear:int { 2008 }
   } //Z#225
-  /* America/Yellowknife */ :table {
-    trans:intvector { -1104537600, -880210800, -765388800, 73472400, 89193600, 104922000, 120643200, 136371600, 152092800, 167821200, 183542400, 199270800, 215596800, 230720400, 247046400, 262774800, 278496000, 294224400, 309945600, 325674000, 341395200, 357123600, 372844800, 388573200, 404899200, 420022800, 436348800, 452077200, 467798400, 483526800, 499248000, 514976400, 530697600, 544611600, 562147200, 576061200, 594201600, 607510800, 625651200, 638960400, 657100800, 671014800, 688550400, 702464400, 720000000, 733914000, 752054400, 765363600, 783504000, 796813200, 814953600, 828867600, 846403200, 860317200, 877852800, 891766800, 909302400, 923216400, 941356800, 954666000, 972806400, 986115600, 1004256000, 1018170000, 1035705600, 1049619600, 1067155200, 1081069200, 1099209600, 1112518800, 1130659200, 1143968400, 1162108800, 1173603600, 1194163200 }
-    typeOffsets:intvector { 0, 0, -25200, 0, -25200, 3600 }
-    typeMap:bin { "010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201" }
-    finalRule { "Canada" }
-    finalRaw:int { -25200 }
-    finalYear:int { 2008 }
-  } //Z#226
+  /* America/Yellowknife */ :int { 113 } //Z#226
   /* Antarctica/Casey */ :table {
     trans:intvector { -31536000, 1255802400, 1267714800, 1319738400, 1329843600, 1477065600, 1520701200, 1538856000, 1552752000, 1570129200, 1583596800, 1601740860 }
     typeOffsets:intvector { 0, 0, 28800, 0, 39600, 0 }
@@ -1261,22 +1260,24 @@
   } //Z#269
   /* Asia/Gaza */ :table {
     transPre32:intvector { -1, 2109557424 }
-    trans:intvector { -933638400, -923097600, -919036800, -857347200, -844300800, -825811200, -812678400, -794188800, -779846400, -762652800, -748310400, -731116800, -399088800, -386650800, -368330400, -355114800, -336790800, -323654400, -305168400, -292032000, -273632400, -260496000, -242096400, -228960000, -210560400, -197424000, -178938000, -165801600, -147402000, -134265600, -115866000, -102643200, -84330000, -81313200, 142380000, 150843600, 167176800, 178664400, 334101600, 337730400, 452642400, 462319200, 482277600, 494370000, 516751200, 526424400, 545436000, 558478800, 576626400, 589323600, 609890400, 620773200, 638316000, 651618000, 669765600, 683672400, 701820000, 715726800, 733701600, 747176400, 765151200, 778021200, 796600800, 810075600, 828655200, 843170400, 860104800, 874620000, 891554400, 906069600, 924213600, 939934800, 956268000, 971989200, 987717600, 1003438800, 1019167200, 1034888400, 1050616800, 1066338000, 1082066400, 1096581600, 1113516000, 1128380400, 1143842400, 1158872400, 1175378400, 1189638000, 1206655200, 1219957200, 1238104800, 1252015200, 1269640860, 1281474000, 1301608860, 1312146000, 1333058400, 1348178400, 1364508000, 1380229200, 1395957600, 1414098000, 1427493600, 1445551200, 1458946800, 1477692000, 1490396400, 1509141600, 1521846000, 1540591200, 1553810400, 1572037200, 1585346400, 1603490400, 1616796000, 1635458400, 1648332000, 1666998000, 1679702400, 1698447600 }
+    trans:intvector { -933638400, -923097600, -919036800, -857347200, -844300800, -825811200, -812678400, -794188800, -779846400, -762652800, -748310400, -731116800, -399088800, -386650800, -368330400, -355114800, -336790800, -323654400, -305168400, -292032000, -273632400, -260496000, -242096400, -228960000, -210560400, -197424000, -178938000, -165801600, -147402000, -134265600, -115866000, -102643200, -84330000, -81313200, 142380000, 150843600, 167176800, 178664400, 334101600, 337730400, 452642400, 462319200, 482277600, 494370000, 516751200, 526424400, 545436000, 558478800, 576626400, 589323600, 609890400, 620773200, 638316000, 651618000, 669765600, 683672400, 701820000, 715726800, 733701600, 747176400, 765151200, 778021200, 796600800, 810075600, 828655200, 843170400, 860104800, 874620000, 891554400, 906069600, 924213600, 939934800, 956268000, 971989200, 987717600, 1003438800, 1019167200, 1034888400, 1050616800, 1066338000, 1082066400, 1096581600, 1113516000, 1128380400, 1143842400, 1158872400, 1175378400, 1189638000, 1206655200, 1219957200, 1238104800, 1252015200, 1269640860, 1281474000, 1301608860, 1312146000, 1333058400, 1348178400, 1364508000, 1380229200, 1395957600, 1414098000, 1427493600, 1445551200, 1458946800, 1477692000, 1490396400, 1509141600, 1521846000, 1540591200, 1553810400, 1572037200, 1585346400, 1603490400, 1616796000, 1635458400, 1648332000, 1666998000, 1682726400, 1698447600, 1712966400, 1729897200, 1743811200, 1761346800, 1774656000, 1792796400, 1806105600, 1824850800, 1837555200, 1856300400, 1869004800, 1887750000, 1901059200, 1919199600, 1932508800, 1950649200, 1963958400, 1982703600, 1995408000, 2014153200, 2026857600, 2045602800, 2058307200, 2077052400, 2090361600, 2107897200, 2121811200, 2138742000 }
+    transPost32:intvector { 0, -2141706496, 0, -2125985296, 0, -2110256896, 0, -2095140496, 0, -2092112896, 0, -2091511696, 0, -2078807296, 0, -2064900496, 0, -2061268096, 0, -2060062096, 0, -2046752896, 0, -2034055696, 0, -2031028096, 0, -2028612496, 0, -2015303296, 0, -2003210896, 0, -2000183296, 0, -1997162896, 0, -1983853696, 0, -1972970896, 0, -1969338496, 0, -1965713296, 0, -1952404096, 0, -1942126096, 0, -1939098496, 0, -1933658896, 0, -1920954496, 0, -1911281296, 0, -1908253696, 0, -1902209296, 0, -1889504896, 0, -1881041296, 0, -1877408896, 0, -1870759696, 0, -1857450496, 0, -1850196496, 0, -1847168896, 0, -1839310096, 0, -1826000896, 0, -1819956496, 0, -1816324096, 0, -1807860496, 0, -1794551296, 0, -1789111696, 0, -1786084096, 0, -1775806096, 0, -1763101696, 0, -1758266896, 0, -1755239296, 0, -1744356496, 0, -1731652096, 0, -1728026896, 0, -1724394496, 0, -1712906896, 0, -1699597696, 0, -1697182096, 0, -1694154496, 0, -1681457296, 0, -1668148096, 0, -1666942096, 0, -1663309696, 0, -1650007696, 0, -1636698496, 0, -1636097296, 0, -1632464896, 0, -1618558096, 0, -1602224896, 0, -1586503696, 0, -1571380096, 0, -1555054096, 0, -1541140096, 0, -1523604496, 0, -1510295296, 0, -1492154896, 0, -1478845696, 0, -1460705296, 0, -1447396096, 0, -1428650896, 0, -1415946496, 0, -1397201296, 0, -1384496896, 0, -1365751696, 0, -1353047296, 0, -1334302096, 0, -1320992896, 0, -1302852496, 0, -1289543296, 0, -1271402896, 0, -1258093696, 0, -1239348496, 0, -1226644096, 0, -1207898896, 0, -1195194496, 0, -1177054096, 0, -1163140096, 0, -1146209296, 0, -1131690496, 0, -1115364496, 0, -1100240896, 0, -1085124496, 0, -1068791296, 0, -1054279696, 0, -1051252096, 0, -1023434896, 0, -1020407296, 0, -993194896, 0, -989562496, 0, -962350096, 0, -959322496, 0, -955697296, 0, -942388096, 0, -932110096, 0, -928477696, 0, -924247696, 0, -910938496, 0, -901265296, 0, -897632896, 0, -892193296, 0, -879488896, 0, -870420496, 0, -867392896, 0, -860743696, 0, -848039296, 0, -840180496, 0, -836548096, 0, -829294096, 0, -815984896, 0, -809335696, 0, -806308096, 0, -797844496, 0, -784535296, 0, -778490896, 0, -775463296, 0, -766394896, 0, -753085696, 0, -748250896, 0, -744618496, 0, -734945296, 0, -721636096, 0, -717406096, 0, -714378496, 0, -702890896, 0, -690186496, 0, -687166096, 0, -683533696, 0, -671441296, 0, -658736896, 0, -656321296, 0, -652688896, 0, -639991696, 0, -626682496, 0, -625476496, 0, -622448896, 0, -608542096, 0, -595232896, 0, -577092496 }
     typeOffsets:intvector { 8272, 0, 7200, 0, 7200, 3600 }
-    typeMap:bin { "01020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201" }
+    typeMap:bin { "0102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201" }
     finalRule { "Palestine" }
     finalRaw:int { 7200 }
-    finalYear:int { 2024 }
+    finalYear:int { 2088 }
   } //Z#270
   /* Asia/Harbin */ :int { 316 } //Z#271
   /* Asia/Hebron */ :table {
     transPre32:intvector { -1, 2109557273 }
-    trans:intvector { -933638400, -923097600, -919036800, -857347200, -844300800, -825811200, -812678400, -794188800, -779846400, -762652800, -748310400, -731116800, -399088800, -386650800, -368330400, -355114800, -336790800, -323654400, -305168400, -292032000, -273632400, -260496000, -242096400, -228960000, -210560400, -197424000, -178938000, -165801600, -147402000, -134265600, -115866000, -102643200, -84330000, -81313200, 142380000, 150843600, 167176800, 178664400, 334101600, 337730400, 452642400, 462319200, 482277600, 494370000, 516751200, 526424400, 545436000, 558478800, 576626400, 589323600, 609890400, 620773200, 638316000, 651618000, 669765600, 683672400, 701820000, 715726800, 733701600, 747176400, 765151200, 778021200, 796600800, 810075600, 828655200, 843170400, 860104800, 874620000, 891554400, 906069600, 924213600, 939934800, 956268000, 971989200, 987717600, 1003438800, 1019167200, 1034888400, 1050616800, 1066338000, 1082066400, 1096581600, 1113516000, 1128380400, 1143842400, 1158872400, 1175378400, 1189638000, 1206655200, 1220216400, 1238104800, 1252015200, 1269554400, 1281474000, 1301608860, 1312146000, 1314655200, 1317330000, 1333058400, 1348178400, 1364508000, 1380229200, 1395957600, 1414098000, 1427493600, 1445551200, 1458946800, 1477692000, 1490396400, 1509141600, 1521846000, 1540591200, 1553810400, 1572037200, 1585346400, 1603490400, 1616796000, 1635458400, 1648332000, 1666998000, 1679702400, 1698447600 }
+    trans:intvector { -933638400, -923097600, -919036800, -857347200, -844300800, -825811200, -812678400, -794188800, -779846400, -762652800, -748310400, -731116800, -399088800, -386650800, -368330400, -355114800, -336790800, -323654400, -305168400, -292032000, -273632400, -260496000, -242096400, -228960000, -210560400, -197424000, -178938000, -165801600, -147402000, -134265600, -115866000, -102643200, -84330000, -81313200, 142380000, 150843600, 167176800, 178664400, 334101600, 337730400, 452642400, 462319200, 482277600, 494370000, 516751200, 526424400, 545436000, 558478800, 576626400, 589323600, 609890400, 620773200, 638316000, 651618000, 669765600, 683672400, 701820000, 715726800, 733701600, 747176400, 765151200, 778021200, 796600800, 810075600, 828655200, 843170400, 860104800, 874620000, 891554400, 906069600, 924213600, 939934800, 956268000, 971989200, 987717600, 1003438800, 1019167200, 1034888400, 1050616800, 1066338000, 1082066400, 1096581600, 1113516000, 1128380400, 1143842400, 1158872400, 1175378400, 1189638000, 1206655200, 1220216400, 1238104800, 1252015200, 1269554400, 1281474000, 1301608860, 1312146000, 1314655200, 1317330000, 1333058400, 1348178400, 1364508000, 1380229200, 1395957600, 1414098000, 1427493600, 1445551200, 1458946800, 1477692000, 1490396400, 1509141600, 1521846000, 1540591200, 1553810400, 1572037200, 1585346400, 1603490400, 1616796000, 1635458400, 1648332000, 1666998000, 1682726400, 1698447600, 1712966400, 1729897200, 1743811200, 1761346800, 1774656000, 1792796400, 1806105600, 1824850800, 1837555200, 1856300400, 1869004800, 1887750000, 1901059200, 1919199600, 1932508800, 1950649200, 1963958400, 1982703600, 1995408000, 2014153200, 2026857600, 2045602800, 2058307200, 2077052400, 2090361600, 2107897200, 2121811200, 2138742000 }
+    transPost32:intvector { 0, -2141706496, 0, -2125985296, 0, -2110256896, 0, -2095140496, 0, -2092112896, 0, -2091511696, 0, -2078807296, 0, -2064900496, 0, -2061268096, 0, -2060062096, 0, -2046752896, 0, -2034055696, 0, -2031028096, 0, -2028612496, 0, -2015303296, 0, -2003210896, 0, -2000183296, 0, -1997162896, 0, -1983853696, 0, -1972970896, 0, -1969338496, 0, -1965713296, 0, -1952404096, 0, -1942126096, 0, -1939098496, 0, -1933658896, 0, -1920954496, 0, -1911281296, 0, -1908253696, 0, -1902209296, 0, -1889504896, 0, -1881041296, 0, -1877408896, 0, -1870759696, 0, -1857450496, 0, -1850196496, 0, -1847168896, 0, -1839310096, 0, -1826000896, 0, -1819956496, 0, -1816324096, 0, -1807860496, 0, -1794551296, 0, -1789111696, 0, -1786084096, 0, -1775806096, 0, -1763101696, 0, -1758266896, 0, -1755239296, 0, -1744356496, 0, -1731652096, 0, -1728026896, 0, -1724394496, 0, -1712906896, 0, -1699597696, 0, -1697182096, 0, -1694154496, 0, -1681457296, 0, -1668148096, 0, -1666942096, 0, -1663309696, 0, -1650007696, 0, -1636698496, 0, -1636097296, 0, -1632464896, 0, -1618558096, 0, -1602224896, 0, -1586503696, 0, -1571380096, 0, -1555054096, 0, -1541140096, 0, -1523604496, 0, -1510295296, 0, -1492154896, 0, -1478845696, 0, -1460705296, 0, -1447396096, 0, -1428650896, 0, -1415946496, 0, -1397201296, 0, -1384496896, 0, -1365751696, 0, -1353047296, 0, -1334302096, 0, -1320992896, 0, -1302852496, 0, -1289543296, 0, -1271402896, 0, -1258093696, 0, -1239348496, 0, -1226644096, 0, -1207898896, 0, -1195194496, 0, -1177054096, 0, -1163140096, 0, -1146209296, 0, -1131690496, 0, -1115364496, 0, -1100240896, 0, -1085124496, 0, -1068791296, 0, -1054279696, 0, -1051252096, 0, -1023434896, 0, -1020407296, 0, -993194896, 0, -989562496, 0, -962350096, 0, -959322496, 0, -955697296, 0, -942388096, 0, -932110096, 0, -928477696, 0, -924247696, 0, -910938496, 0, -901265296, 0, -897632896, 0, -892193296, 0, -879488896, 0, -870420496, 0, -867392896, 0, -860743696, 0, -848039296, 0, -840180496, 0, -836548096, 0, -829294096, 0, -815984896, 0, -809335696, 0, -806308096, 0, -797844496, 0, -784535296, 0, -778490896, 0, -775463296, 0, -766394896, 0, -753085696, 0, -748250896, 0, -744618496, 0, -734945296, 0, -721636096, 0, -717406096, 0, -714378496, 0, -702890896, 0, -690186496, 0, -687166096, 0, -683533696, 0, -671441296, 0, -658736896, 0, -656321296, 0, -652688896, 0, -639991696, 0, -626682496, 0, -625476496, 0, -622448896, 0, -608542096, 0, -595232896, 0, -577092496 }
     typeOffsets:intvector { 8423, 0, 7200, 0, 7200, 3600 }
-    typeMap:bin { "010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201" }
+    typeMap:bin { "01020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201020102010201" }
     finalRule { "Palestine" }
     finalRaw:int { 7200 }
-    finalYear:int { 2024 }
+    finalYear:int { 2088 }
   } //Z#272
   /* Asia/Ho_Chi_Minh */ :table {
     trans:intvector { -1851577590, -852105600, -782643600, -767869200, -718095600, -457776000, -315648000, 171820800 }
@@ -2863,42 +2864,45 @@
   EUAsia:intvector {
     2, -31, -1, 3600, 2, 9, -31, -1, 3600, 2, 3600
   } //_#10
+  Egypt:intvector {
+    3, -30, -6, 0, 0, 9, -31, -5, 86400, 0, 3600
+  } //_#11
   Haiti:intvector {
     2, 8, -1, 7200, 0, 10, 1, -1, 7200, 0, 3600
-  } //_#11
+  } //_#12
   LH:intvector {
     9, 1, -1, 7200, 0, 3, 1, -1, 7200, 0, 1800
-  } //_#12
+  } //_#13
   Lebanon:intvector {
     2, -31, -1, 0, 0, 9, -31, -1, 0, 0, 3600
-  } //_#13
+  } //_#14
   Moldova:intvector {
     2, -31, -1, 7200, 0, 9, -31, -1, 10800, 0, 3600
-  } //_#14
+  } //_#15
   NZ:intvector {
     8, -30, -1, 7200, 1, 3, 1, -1, 7200, 1, 3600
-  } //_#15
+  } //_#16
   Palestine:intvector {
     2, -30, -7, 7200, 0, 9, -30, -7, 7200, 0, 3600
-  } //_#16
+  } //_#17
   Para:intvector {
     9, 1, -1, 0, 0, 2, 22, -1, 0, 0, 3600
-  } //_#17
+  } //_#18
   SystemV:intvector {
     3, -30, -1, 7200, 0, 9, -31, -1, 7200, 0, 3600
-  } //_#18
+  } //_#19
   Thule:intvector {
     2, 8, -1, 7200, 0, 10, 1, -1, 7200, 0, 3600
-  } //_#19
+  } //_#20
   Troll:intvector {
     2, -31, -1, 3600, 2, 9, -31, -1, 3600, 2, 7200
-  } //_#20
+  } //_#21
   US:intvector {
     2, 8, -1, 7200, 0, 10, 1, -1, 7200, 0, 3600
-  } //_#21
+  } //_#22
   Zion:intvector {
     2, 23, -6, 7200, 0, 9, -31, -1, 7200, 0, 3600
-  } //_#22
+  } //_#23
  }
  Regions:array {
   "AU", //Z#0 ACT
diff --git a/icu4c/source/test/intltest/tztest.cpp b/icu4c/source/test/intltest/tztest.cpp
index e6e874c..14f072f 100644
--- a/icu4c/source/test/intltest/tztest.cpp
+++ b/icu4c/source/test/intltest/tztest.cpp
@@ -2128,6 +2128,7 @@
         {"America/Thunder_Bay", "America/Toronto"},
         {"America/Tortola", "America/Puerto_Rico"},
         {"America/Virgin", "America/Puerto_Rico"},
+        {"America/Yellowknife", "America/Edmonton"},
         {"Antarctica/DumontDUrville", "Pacific/Port_Moresby"},
         {"Antarctica/South_Pole", "Antarctica/McMurdo"},
         {"Antarctica/Syowa", "Asia/Riyadh"},
diff --git a/icu4j/main/shared/data/icudata.jar b/icu4j/main/shared/data/icudata.jar
index 428afe5..40c0149 100644
--- a/icu4j/main/shared/data/icudata.jar
+++ b/icu4j/main/shared/data/icudata.jar
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:f31031e5aa48ed549814a647f09e98f636ff9d0707dfe4cb5f3672c03538e7c8
-size 14329367
+oid sha256:880020e120a8ac2318f312aa1849fd77c2587eb6c2f932f69b1cc69db9220f30
+size 14329363
diff --git a/icu4j/main/shared/data/icutzdata.jar b/icu4j/main/shared/data/icutzdata.jar
index fa69c33..9295e59 100644
--- a/icu4j/main/shared/data/icutzdata.jar
+++ b/icu4j/main/shared/data/icutzdata.jar
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:66c651f19543094439dec8300044796ebb090fdb6cb0a7213575a40435969573
-size 93641
+oid sha256:d1df0b7b8db18047e14c2b3e54eefda4e43954f38e81ba6cec4f99f737199400
+size 94827
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/timezone/TimeZoneTest.java b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/timezone/TimeZoneTest.java
index 8b583a3..d406ae8 100644
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/timezone/TimeZoneTest.java
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/timezone/TimeZoneTest.java
@@ -1562,6 +1562,7 @@
                 {"America/Thunder_Bay", "America/Toronto"},
                 {"America/Tortola", "America/Puerto_Rico"},
                 {"America/Virgin", "America/Puerto_Rico"},
+                {"America/Yellowknife", "America/Edmonton"},
                 {"Antarctica/DumontDUrville", "Pacific/Port_Moresby"},
                 {"Antarctica/South_Pole", "Antarctica/McMurdo"},
                 {"Antarctica/Syowa", "Asia/Riyadh"},