| Sierra Leone Bosnia and Herzegovina | Central European Time | -01:00 |
| Sierra Leone Costa Rica | Central Time | 06:00 |
| Sierra Leone Croatia | Central European Time | -01:00 |
| Sierra Leone New Zealand | New Zealand Time | -13:00 |
| Sierra Leone Lebanon | Eastern European Time | -02:00 |
| Sierra Leone Puerto Rico | Argentina Time | 03:00 |
| Sierra Leone Liberia | Greenwich Mean Time | 00:00 |
| Sierra Leone Uruguay | Uruguay Time | 03:00 |
| Sierra Leone Panama | Central Time | 06:00 |
| Sierra Leone Mauritania | Greenwich Mean Time | 00:00 |
| Sierra Leone Congo | West Africa Time | -01:00 |
| Sierra Leone Albania | Central European Time | -01:00 |
| Sierra Leone Armenia | Armenia Time | -04:00 |
| Sierra Leone Lithuania | Eastern European Time | -02:00 |
| Sierra Leone Jamaica | Eastern Time | 05:00 |
| Sierra Leone Kuwait | Arabian Time | -03:00 |
| Sierra Leone Latvia | Eastern European Time | -02:00 |
| Sierra Leone Namibia | Central Africa Time | -02:00 |
| Sierra Leone Botswana | Central Africa Time | -02:00 |
| Sierra Leone Slovenia | Central European Time | -01:00 |
| Sierra Leone Lesotho | South Africa Standard Time | -02:00 |
| Sierra Leone The Gambia | Eastern Australia Time | -11:00 |
| Sierra Leone Guinea-Bissau | Greenwich Mean Time | 00:00 |
| Sierra Leone Gabon | West Africa Time | -01:00 |
| Sierra Leone Swaziland | South Africa Standard Time | -02:00 |
| Sierra Leone Mauritius | Mauritius Time | -04:00 |
| Sierra Leone Estonia | Eastern European Time | -02:00 |
| Sierra Leone Timor-Leste | East Timor Time | -09:00 |
| Sierra Leone Equatorial Guinea | West Africa Time | -01:00 |
| Sierra Leone Fiji | Fiji Time | -13:00 |
| Sierra Leone Qatar | Arabian Time | -03:00 |
| Sierra Leone Reunion | Reunion Time | -04:00 |
| Sierra Leone Comoros | East Africa Time | -03:00 |
| Sierra Leone Guyana | Guyana Time | 04:00 |
| Sierra Leone Djibouti | East Africa Time | -03:00 |
| Sierra Leone Bahrain | Arabian Time | -03:00 |
| Sierra Leone Bhutan | Bhutan Time | -06:00 |
| Sierra Leone Solomon Islands | Solomon Islands Time | -11:00 |
| Sierra Leone Cape Verde | Cape Verde Time | 01:00 |
| Sierra Leone Luxembourg | Central European Time | -01:00 |
| Sierra Leone Suriname | Suriname Time | 03:00 |
| Sierra Leone Guadeloupe | Atlantic Time | 04:00 |
| Sierra Leone Martinique | Atlantic Time | 04:00 |
| Sierra Leone Brunei | Brunei Darussalam Time | -08:00 |
| Sierra Leone Belize | Central Time | 06:00 |
| Sierra Leone The Bahamas | Eastern Time | 05:00 |
| Sierra Leone Barbados | Atlantic Time | 04:00 |
| Sierra Leone French Polynesia | Tahiti Time | 10:00 |
| Sierra Leone French Guiana | French Guiana Time | 03:00 |
| Sierra Leone Samoa | Apia Time | -13:00 |