Antarctica has 8 time zones.
CLT
Antarctica/Palmer
UTC-03:00
GMT
Antarctica/Troll
UTC+02:00
SYOT
Antarctica/Syowa
UTC+03:00
MAWT
Antarctica/Mawson
UTC+05:00
DAVT
Antarctica/Davis
UTC+07:00
AWST
Antarctica/Casey
UTC+08:00
GMT+10
Antarctica/DumontDUrville
UTC+10:00
NZST
Antarctica/McMurdo
UTC+12:00