July 21, 2026 · Lahti, Finland
Sunrise in Lahti today is at 04:25. Day length is 17h 60m. See below for sunset, 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.
Sunrise shifts earlier through spring and later through autumn — changing fastest near the equinoxes and barely at all near the summer and winter solstices. See the year chart to visualise how sunrise and 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 | Sunrise | Sunset | Day length |
|---|---|---|---|
| January | 09:14 | 15:40 | 6h 26m |
| February | 08:01 | 17:04 | 9h 3m |
| March | 06:36 | 18:18 | 11h 42m |
| April | 05:59 | 20:37 | 14h 38m |
| May | 04:34 | 21:55 | 17h 22m |
| June | 03:43 | 22:55 | 19h 12m |
| July | 04:11 | 22:36 | 18h 25m |
| August | 05:27 | 21:19 | 15h 52m |
| September | 06:44 | 19:43 | 12h 59m |
| October | 07:59 | 18:09 | 10h 10m |
| November | 08:21 | 15:44 | 7h 23m |
| December | 09:25 | 15:02 | 5h 37m |