1 places · sun position · panel angle
Solar data for Sao Tome and Principe
Pick a place for today's sun position, a sun path diagram, the best fixed tilt for solar panels and the monthly output of an off-grid array at 70°.
Largest places in Sao Tome and Principe at a glance
| Place | Latitude | Best tilt | Off-grid tilt | Sun hours/day (flat) |
|---|---|---|---|---|
| São Tomé | 0.3° N | 0° | 0° | 4.54 |
Daylight and clock time in Sao Tome and Principe
In São Tomé the longest day of the year lasts 12 h 09 min and the shortest 12 h 06 min. Sao Tome and Principe does not use daylight saving time: the clocks stay the same all year.
| Time zone | Places | UTC offset | Clocks change in 2026 |
|---|---|---|---|
| Africa/Sao_Tome | 1 | UTC | no daylight saving time |
Questions about solar in Sao Tome and Principe
Does Sao Tome and Principe use daylight saving time?
Sao Tome and Principe does not use daylight saving time: the clocks stay the same all year.
How long is the longest day in Sao Tome and Principe?
12 h 09 min in São Tomé; the shortest day lasts 12 h 06 min in São Tomé.