July 21, 2026 · Lahti, Finland
Sunset in Lahti today is at 22:24. Day length is 17h 60m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Lahti's coordinates and updated daily.
Lahti lies at 61°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 Lahti.
The longest day in Lahti is around 19h 16m (around June 21). The shortest is around 5h 32m (around December 21). Days are currently getting shorter — losing about 4 minutes per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 15:40 | 09:14 | 6h 26m |
| February | 17:04 | 08:01 | 9h 3m |
| March | 18:18 | 06:36 | 11h 42m |
| April | 20:37 | 05:59 | 14h 38m |
| May | 21:55 | 04:34 | 17h 22m |
| June | 22:55 | 03:43 | 19h 12m |
| July | 22:36 | 04:11 | 18h 25m |
| August | 21:19 | 05:27 | 15h 52m |
| September | 19:43 | 06:44 | 12h 59m |
| October | 18:09 | 07:59 | 10h 10m |
| November | 15:44 | 08:21 | 7h 23m |
| December | 15:02 | 09:25 | 5h 37m |