July 21, 2026 · São Tomé, Sao Tome and Principe
Sunset in São Tomé today is at 17:44. Day length is 12h 8m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for São Tomé's coordinates and updated daily.
São Tomé lies at 0°N. Near the tropics, day length stays close to 12 hours year-round, with only minor variation between seasons.
Sunset shifts later through spring and earlier through autumn — changing fastest near the equinoxes and slowest near the summer and winter solstices. See the year chart to visualise how sunset times shift month by month for São Tomé.
The longest day in São Tomé is around 12h 8m (around June 21). The shortest is around 12h 6m (around December 21).
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 17:46 | 05:40 | 12h 6m |
| February | 17:51 | 05:45 | 12h 6m |
| March | 17:46 | 05:40 | 12h 7m |
| April | 17:37 | 05:30 | 12h 7m |
| May | 17:34 | 05:26 | 12h 8m |
| June | 17:39 | 05:30 | 12h 8m |
| July | 17:44 | 05:35 | 12h 8m |
| August | 17:42 | 05:35 | 12h 8m |
| September | 17:33 | 05:26 | 12h 7m |
| October | 17:23 | 05:16 | 12h 6m |
| November | 17:22 | 05:15 | 12h 6m |
| December | 17:32 | 05:26 | 12h 6m |