1 places · sun position · panel angle
Solar data for Saint Helena
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 Saint Helena at a glance
| Place | Latitude | Best tilt | Off-grid tilt | Sun hours/day (flat) |
|---|---|---|---|---|
| Jamestown | 15.9° S | 14° | 19° | 5.40 |
Daylight and clock time in Saint Helena
In Jamestown the longest day of the year lasts 13 h 05 min and the shortest 11 h 11 min. Saint Helena does not use daylight saving time: the clocks stay the same all year.
| Time zone | Places | UTC offset | Clocks change in 2026 |
|---|---|---|---|
| Atlantic/St_Helena | 1 | UTC | no daylight saving time |
Questions about solar in Saint Helena
Does Saint Helena use daylight saving time?
Saint Helena does not use daylight saving time: the clocks stay the same all year.
How long is the longest day in Saint Helena?
13 h 05 min in Jamestown; the shortest day lasts 11 h 11 min in Jamestown.