| Time in Sierra Leone | |
| Time Zone: | Greenwich Mean Time |
| Initials: | GMT |
| Adopted: | 1939 |
| Dst: | no |
| Tz: | Africa/Freetown |
Time in Sierra Leone is given by Greenwich Mean Time (GMT;).[1] Sierra Leone has never observed daylight saving time.[2] Sierra Leone adopted its current time zone in 1939,[3] switching from .[4]
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]