Time in São Tomé and Príncipe | |
---|---|
Time zone | Greenwich Mean Time |
Initials | GMT |
UTC offset | UTC±00:00 |
Adopted | 1 January 1912–1 January 2018 1 January 2019 (readopted) |
Daylight saving time | |
DST not observed | |
tz database | |
Africa/Sao Tome |
Time in the island country of São Tomé and Príncipe is given by Greenwich Mean Time (GMT; UTC±00:00). [1] São Tomé and Príncipe has never observed daylight saving time. [2]
Under Portuguese rule, São Tomé and Príncipe first observed the local mean time UTC+0:26:56 until 1884, when it adopted UTC-0:36:45. GMT (UTC±00:00) was adopted on 1 January 1912. [3] The country briefly adopted West Africa Time (WAT; UTC+01:00) on 1 January 2018, [4] but reverted back on 1 January the following year. [5]
In the IANA time zone database, São Tomé and Príncipe is given one zone in the file zone.tab – Africa/Sao Tome. " ST" refers to the country's ISO 3166-1 alpha-2 country code. Data for São Tomé and Príncipe directly from zone.tab of the IANA time zone database; columns marked with * are the columns from zone.tab itself: [3]
c.c.* | coordinates* | TZ* | Comments | UTC offset | DST |
---|---|---|---|---|---|
ST | +0020+00644 | Africa/Sao_Tome | +00:00 | +00:00 |