1 places · sun position · panel angle
Solar data for Guernsey
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 Guernsey at a glance
| Place | Latitude | Best tilt | Off-grid tilt | Sun hours/day (flat) |
|---|---|---|---|---|
| Saint Peter Port | 49.5° N | 37° | 69° | 3.35 |
Daylight and clock time in Guernsey
In Saint Peter Port the longest day of the year lasts 16 h 17 min and the shortest 8 h 09 min. The clocks change twice a year: forward on Sun 29 Mar, back on Sun 25 Oct (Europe/Guernsey).
| Time zone | Places | UTC offset | Clocks change in 2026 |
|---|---|---|---|
| Europe/Guernsey | 1 | UTC, in summer UTC+1 | Forward on Sun 29 Mar, back on Sun 25 Oct |
Questions about solar in Guernsey
Does Guernsey use daylight saving time?
The clocks change twice a year: forward on Sun 29 Mar, back on Sun 25 Oct (Europe/Guernsey).
How long is the longest day in Guernsey?
16 h 17 min in Saint Peter Port; the shortest day lasts 8 h 09 min in Saint Peter Port.