Yealink SIP-T2 Series Administrator's Manual page 128

Administrator's Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
Time Zone
-4 Trinidad&Tobago
-3:30 Canada-New Foundland(St.Johns)
-3 Greenland(Nuuk)
-3 Argentina(Buenos Aires)
-3 Brazil(no DST)
-3 Brasilia
-3 Cayenne,Fortaleza
-3 Montevideo
-3 Salvador
-3 Brazil(DST)
-2:30 Newfoundland and Labrador
-2 Brazil(no DST)
-2 Mid-Atlantic
-1 Portugal(Azores)
-1 Cape Verde Islands
0 GMT
0 Greenland
0 Western Europe Time
0 Monrovia
0 Reykjavik
0 Casablanca
0 Denmark-Faroe Islands(Torshavn)
0 Ireland(Dublin)
0 Edinburgh
0 Portugal(Lisboa,Porto,Funchal)
0 Spain-Canary Islands(Las Palmas)
0 United Kingdom(London)
0 Lisbon
0 Morocco
+1 Albania(Tirane)
+1 Austria(Vienna)
122
Time Zone Name Time Zone
+5:30 India(Calcutta)
+5:30 Mumbai,Chennai
+5:30 Kolkata,New Delhi
+5:30 Sri Jayawardenepura
+5:45 Nepal(Katmandu)
+6 Kazakhstan(Astana, Almaty)
+6 Russia(Novosibirsk,Omsk)
+6 Bangladesh(Dhaka)
+6:30 Myanmar(Naypyitaw)
+6:30 Yangon (Rangoon)
+7 Russia(Krasnoyarsk)
+7 Thailand(Bangkok)
+7 Vietnam(Hanoi)
+7 Jakarta
+8 China(Beijing)
+8 Singapore(Singapore)
+8 Hong Kong,Urumqi
+8 Taipei
+8 Kuala Lumpur
+8 Australia(Perth)
+8 Russia(Irkutsk, Ulan-Ude)
+8 Ulaanbaatar
+8:45 Eucla
+9 Korea(Seoul)
+9 Japan(Tokyo)
+9 Russia(Yakutsk,Chita)
+9:30 Australia(Adelaide)
+9:30 Australia(Darwin)
+10 Australia(Sydney,Melboume,Canberra)
+10 Australia(Brisbane)
+10 Australia(Hobart)
Time Zone Name