icu4c/source/data/zone/mgo.txt

// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html#License
mgo{
    Version{"2.1.27.40"}
    zoneStrings{
        fallbackFormat{"{1} ({0})"}
        gmtFormat{"GMT{0}"}
        gmtZeroFormat{"GMT"}
        hourFormat{"+HH:mm;-HH:mm"}
        regionFormat{"{0}"}
    }
}