The solar eclipse on 4 December 2021 does not reach Sinchu Alagi. See below for cities in The Gambia where it is visible.
| City | Type | Obscuration | Peak time (UTC) |
|---|---|---|---|
| Lamin | PARTIAL | 22.1% | 07:04 UTC |
| Nema Kunku | PARTIAL | 22.1% | 07:04 UTC |
| Soma | PARTIAL | 21.9% | 07:04 UTC |
| Farafenni | PARTIAL | 21.8% | 07:04 UTC |
| Farato | PARTIAL | 21.6% | 07:04 UTC |