Longest and shortest day in Tromso
In Tromso, Norway, the longest day of 2026 is around the September equinox on Tuesday, 22 September 2026, with 12h 24m of daylight, and the shortest is around the March equinox on Friday, 20 March 2026, with 12h 18m.
| Turning point | Date | Sunrise | Sunset | Day length |
|---|---|---|---|---|
| March equinox | Friday, 20 March 2026 | 05:43 | 18:01 | 12h 18m |
| June solstice | Sunday, 21 June 2026 | --:-- | --:-- | n/a |
| September equinox | Tuesday, 22 September 2026 | 06:23 | 18:47 | 12h 24m |
| December solstice | Monday, 21 December 2026 | --:-- | --:-- | n/a |
| Month | Sunrise | Sunset | Day length |
|---|---|---|---|
| January | 11:34 | 12:12 | 0h 38m |
| February | 08:16 | 15:41 | 7h 26m |
| March | 06:07 | 17:40 | 11h 33m |
| April | 04:44 | 20:47 | 16h 3m |
| May | 01:45 | 23:45 | 22h 0m |
| June | --:-- | --:-- | n/a |
| July | --:-- | --:-- | n/a |
| August | 03:44 | 21:48 | 18h 4m |
| September | 05:56 | 19:19 | 13h 23m |
| October | 07:54 | 17:03 | 9h 8m |
| November | 09:25 | 13:30 | 4h 5m |
| December | --:-- | --:-- | n/a |
Why the day gets longer and shorter in Tromso
Earth's axis is tilted about 23.4 degrees, so as the planet orbits the Sun, Tromso leans toward the Sun for part of the year and away for the rest. When it leans toward the Sun the days lengthen and the Sun climbs higher; half a year later the opposite happens. The size of the swing depends on how far Tromso sits from the equator: the further away, the bigger the difference between the longest and shortest day.
Frequently asked questions about day length in Tromso
When is the longest day in Tromso?
The longest day in Tromso falls around the September equinox, on Tuesday, 22 September 2026 in 2026, with about 12h 24m of daylight, sunrise at 06:23 and sunset at 18:47.
When is the shortest day in Tromso?
The shortest day in Tromso falls around the March equinox, on Friday, 20 March 2026 in 2026, with about 12h 18m of daylight, sunrise at 05:43 and sunset at 18:01.
How much does day length change through the year in Tromso?
Between the longest and shortest day, Tromso gains and loses about 0h 6m of daylight. The change is fastest around the March and September equinoxes and slowest near the solstices.
Every figure is computed from Tromso's coordinates with SunCalc, not looked up from a table.