Yealink T48G-SKYPE FOR BUSINESS EDITION User Manual page 258

User Guide for the T48G Skype for Business phone
Time Zone
Australia(Sydney,Melboume,Canberra), Russia(Vladivostok)
+10:30 Australia(Lord Howe Islands)
+11 New Caledonia(Noumea), Russia(Srednekolymsk Time)
+11:30 Norfolk Island
+12 New Zealand(Wellington,Auckland), Russia(Kamchatka Time)
+12:45 New Zealand(Chatham Islands)
+13 Tonga(Nukualofa)
+13:30 Chatham Islands
+14 Kiribati
244
Time Zone Name