The following time zones are only supported in firmware versions 1.3.4 and newer 1.3.x releases, 2.0.7 and newer 2.0.x releases and all 2.1.x releases. If you upgrade or downgrade to a firmware version other than those identified, you must set an alternative time zone.
America/Argentina/Salta
America/Argentina/San_Luis
America/Bahia_Banderas
America/Kralendijk
America/Lower_Princes
America/Matamoros
America/Metlakatla
America/North_Dakota/Beulah
America/Ojinaga
America/Santa_Isabel
America/Santarem
America/Sitka
Antarctica/Macquarie
Asia/Ho_Chi_Minh
Asia/Kathmandu
Asia/Kolkata
Asia/Novokuznetsk
Pacific/Chuuk
Pacific/Pohnpei
In firmware version 2.1.2-2 through 2.1.9-1, these additional time zones are supported:
Africa/Juba
America/Creston
Asia/Hebron
If you downgrade from firmware version 2.1.2-2 through 2.1.9-1, you must set an alternative time zone.
In firmware version 2.1.6-2, 2.1.7-2, 2.1.8-1, and 2.1.9-1, these additional time zones are supported:
Asia/Khandyga
Asia/Ust-Nera
Europe/Busingen
Pacific/Bougainville
If you downgrade from firmware version 2.1.6-2, 2.1.7-2, 2.1.8-1, or 2.1.9-1, you must set an alternative time zone.