Yealink VC400 User Manual page 167

Time Zone
+04:00 Armenia(Yerevan)
+04:00 Azerbaijan(Baku)
+04:00 Georgia(Tbilisi)
+04:00 Kazakhstan(Aktau)
+04:00 Russia(Samara)
+04:30 Afghanistan(Kabul)
+05:00 Kazakhstan(Aqtobe)
+05:00 Kyrgyzstan(Bishkek)
+05:00 Pakistan(Islamabad)
+05:00 Russia(Chelyabinsk)
+05:30 India(Calcutta)
+05:45 Nepal(Katmandu)
+06:00 Kazakhstan(Astana, Almaty)
+06:00 Russia(Novosibirsk, Omsk)
+06:30 Myanmar(Naypyitaw)
+07:00 Russia(Krasnoyarsk)
+07:00 Thailand(Bangkok)
+08:00 China(Beijing)
+08:00 Singapore(Singapore)
+08:00 Australia(Perth)
+08:00 Russia(Irkutsk, Ulan-Ude)
+08:45 Eucla
+09:00 Korea(Seoul)
+09:00 Japan(Tokyo)
+09:00 Russia(Yakutsk, Chita)
+09:30 Australia(Adelaide)
+09:30 Australia(Darwin)
+10:00 Australia(Sydney, Melbourne, Canberra)
+10:00 Australia(Brisbane)
+10:00 Australia(Hobart)
+10:00 Russia(Vladivostok)
+10:30 Australia(Lord Howe Islands)
+11:00 New Caledonia(Noumea)
+11:00 Russia(Srednekolymsk Time)
+11:30 Norfolk Island
+12:00 New Zealand(Wellington, Auckland)
+12:00 Russia(Kamchatka Time)
+12:45 New Zealand(Chatham Islands)
+13:00 Tonga(Nukualofa)
+13:30 Chatham Islands
+14:00 Kiribati
Appendix A - Time Zones
Time Zone Name
155