icu4c/source/data/unit/doi.txt

// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
// Generated using tools/cldr/cldr-to-icu/build-icu-data.xml
doi{
    durationUnits{
        hm{"h:mm"}
        hms{"h:mm:ss"}
        ms{"m:ss"}
    }
}