July 21, 2026 · Seinäjoki, Finland
Sunset in Seinäjoki today is at 22:54. Day length is 18h 37m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Seinäjoki's coordinates and updated daily.
Seinäjoki lies at 63°N. At this latitude, daylight swings dramatically between seasons — from long summer days with potential midnight sun to short winter days with just a few hours of light.
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 Seinäjoki.
The longest day in Seinäjoki is around 20h 11m (around June 21). The shortest is around 4h 48m (around December 21). Days are currently getting shorter — losing about 5 minutes per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 15:35 | 09:42 | 5h 52m |
| February | 17:08 | 08:20 | 8h 48m |
| March | 18:29 | 06:49 | 11h 40m |
| April | 20:55 | 06:04 | 14h 51m |
| May | 22:22 | 04:29 | 17h 53m |
| June | 23:33 | 03:27 | 20h 6m |
| July | 23:09 | 04:02 | 19h 7m |
| August | 21:40 | 05:28 | 16h 12m |
| September | 19:57 | 06:53 | 13h 3m |
| October | 18:16 | 08:15 | 10h 1m |
| November | 15:42 | 08:46 | 6h 57m |
| December | 14:52 | 09:58 | 4h 54m |