Singapore doesn't observe daylight saving time but Apia does. DST in Apia will start on 29 September 2019 and will end on 05 April 2020. Once DST starts in Apia the time difference between Apia and Singapore will be -6:0 hours.
Time zone: WST - West Samoa Time (UTC/GMT +13)DST will start on 29 September 2019DST will end on 05 April 2020Time zone difference / Flight distance
Time zone: SGT - Singapore Time (UTC/GMT +8)Time zone difference / Flight distance