GMT-09 is a time offset that subtracts 9 hours from Greenwich Mean Time (GMT).
It is observed in the AKST, GAMT, GIT during standard time, and in the HADT during the other months (Daylight saving time).
Some locations use it year-round.
|AKST||Alaska Standard Time|
|GIT||Gambier Island Time|
|HADT||Hawaii-Aleutian Daylight Time|
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