Time in Sierra Leone

Time zone used in Sierra Leone

Time in Sierra Leone
Time zone	Greenwich Mean Time
Initials	GMT
UTC offset	UTC±00:00
Adopted	1939
Daylight saving time
DST not observed
tz database
Africa/Freetown

Time in Sierra Leone is given by Greenwich Mean Time (GMT; UTC±00:00).^[1] Sierra Leone has never observed daylight saving time.^[2] Sierra Leone adopted its current time zone in 1939,^[3] switching from UTC−01:00.^[4]

IANA time zone database

In the IANA time zone database, Sierra Leone is given one zone in the file zone.tab – Africa/Freetown. "SL" refers to the country's ISO 3166-1 alpha-2 country code. Data for Sierra Leone directly from zone.tab of the IANA time zone database; columns marked with * are the columns from zone.tab itself:^[5]

c.c.*	coordinates*	TZ*	Comments	UTC offset	DST
SL	+0830−01315	Africa/Freetown		+00:00	+00:00

References

^ Sierra Leone. "time difference: UTC 0". The World Factbook. Central Intelligence Agency (CIA). Retrieved 17 September 2021.
^ Sierra Leone Time Zone. TimeTemperature.com. Retrieved 17 September 2021.
^ Ogle, Vanessa (2015). The Global Transformation of Time 1870-1950. Harvard University Press. p. 80. ISBN 9780674737020. Retrieved 10 September 2021.
^ United States. National Bureau of Standards, Gould, Ralph Edgar (1935) Standard Time Throughout the World. U.S. Government Printing Office. p. 20. Retrieved 17 September 2021.
^ Africa at the tz database. Internet Assigned Numbers Authority (IANA). Retrieved 17 September 2021.