From annawiki

Time zone


Feedback regarding CLDR time zone identifiers has been provided at:

Variable length and inconsistent country code usage:

CLDR id ISO country code Comment
jerusalem - (This is not in JE JERSEY!)
gaza PS (This is not in GA GABON)
debsngn DE Germany
gldkshvn GL Greenland
mxstis MX Mexico
rukhndg RU Russia
ruunera RU Russia
usinvev US US (usin = Indiana)
usnavajo US US (larger region, not a simple locality)
usndcnt US US (usnd = North Dakota)
usndnsl US US (usnd = North Dakota)

How they could be changed to fixed length identifiers