Today in Lahti, Finland, the sun rises at 3:57 AM and sets at 10:49 PM, giving the city exactly 18h 52m of daylight. That is 3 minutes shorter than yesterday—losing 3 minutes of daylight each day. With 167 days until the Winter Solstice on December 21, Lahti is currently in its Summer season.
Golden Hour & Twilight Windows in Lahti
For photographers, filmmakers, and outdoor enthusiasts, the morning golden hour in Lahti runs from N/A to 5:18 AM. The evening golden hour begins at 9:27 PM and lasts until 10:49 PM.
Civil twilight—when there is still sufficient ambient light to see clearly outdoors—begins at N/A. Lahti's high-latitude position means daylight swings dramatically across the year, from near-polar days exceeding 20 hours in summer to under 5 hours in winter.
Solar Noon & UV Index
Solar noon in Lahti falls exactly at 1:23 PM, which is the moment the sun reaches its peak altitude of 48.07 above the horizon. At this specific time, the solar angle produces very high UV, typical of Lahti in Summer. SPF 30+ is advisable for anyone spending more than 20 minutes outside.
Why Does Sunrise Shift in Lahti?
At Lahti's latitude of 60.982628°, the sun currently rises at an azimuth of 394.76° (NE). Because of the Earth's axial tilt, this position shifts slightly every day. Sunrise and sunset times for Lahti are calculated using advanced solar algorithms (SunCalc) based on coordinates 60.982628, 25.6613418. Times are mathematically accurate to ±30 seconds.
Historical Sunrise in Lahti (Past Years)
Due to the Earth's precise orbit, solar times remain highly consistent year over year. Here is a comparison of today's sunrise and sunset times in Lahti versus 1 year and 5 years ago:
| Year | Sunrise | Sunset | Daylight |
|---|---|---|---|
| Today | 3:57 AM | 10:49 PM | 18h 52m |
| 2025 | 3:57 AM | 10:49 PM | 18h 51m |
| 2021 | 3:57 AM | 10:49 PM | 18h 51m |
Frequently Asked Questions
What time does the sun rise in Lahti today?
In Lahti, the sun rises at exactly 3:57 AM and sets at 10:49 PM today. This gives the city a total of 18h 52m of daylight.
When is golden hour in Lahti today?
Today, morning golden hour in Lahti runs from N/A to 5:18 AM. Evening golden hour begins at 9:27 PM and lasts until 10:42 PM.
Why does sunrise in Lahti shift every day?
At Lahti's latitude, the sun currently rises at an azimuth of 394.76° (NE). Because of Earth's tilt, the city is losing 3 minutes of daylight each day until the Winter Solstice on December 21.
What is the UV Index in Lahti at solar noon?
Solar noon occurs at 1:23 PM when the sun reaches 48.07. This produces very high UV, typical of Lahti in Summer. SPF 30+ is advisable for anyone spending more than 20 minutes outside.
Has the sunrise time in Lahti changed compared to previous years?
Due to the Earth's precise orbit, solar times remain highly consistent year over year. Exactly one year ago in 2025, sunrise was at 3:57 AM, and five years ago in 2021, it was at 3:57 AM.