Time in Liberia

Time in Liberia is given by a single time zone, denoted as Greenwich Mean Time (GMT; UTC+00:00).^[1][2] Liberia shares this time zone with several other countries, including fourteen in western Africa where it was formerly known as Western Sahara Standard Time (WSST).^[3] Liberia has never observed daylight saving time (DST).^[4]

Time in Liberia
Time zone	Greenwich Mean Time
Initials	GMT
UTC offset	UTC+00:00
Adopted	7 January 1972
Daylight saving time
DST not observed
tz database
Africa/Monrovia

History

Liberia first adopted the UTC offset -0:43:08 (called Liberia Mean Time; LMT) as it was the geographical central meridian on which the capital Monrovia was located.^[5] The time zone was renamed to Monrovia Mean Time in 1882.^[5] In March 1919, the offset was redefined forward by 1 minute and 22 seconds to -0:44:30.^[6][7] Liberia adopted Greenwich Mean Time (GMT; UTC+00:00) on 7 January 1972.^[8]

IANA time zone database

In the IANA time zone database, Liberia is given one zone in the file zone.tab – Africa/Monrovia. "LR" refers to the country's ISO 3166-1 alpha-2 country code. Data for Liberia 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
LR	+0618−01047	Africa/Monrovia		+00:00	+00:00

See also

• List of time zones by country
• List of UTC time offsets