July 21, 2026 · Třinec, Czech Republic
Třinec has 15h 42m of daylight today. Sunrise is at 05:02 and sunset is at 20:43. All times are calculated astronomically for Třinec's exact coordinates.
Třinec lies at 50°N. At this latitude, day length varies significantly through the year — from roughly 7–8 hours in midwinter to 16–17 hours at midsummer.
Day length changes fastest near the spring and autumn equinoxes and slowest near the longest day and shortest day of the year. See the year chart to visualise how daylight hours shift month by month for Třinec, or see daylight hours for every day of the year.
The longest day in Třinec is around 16h 19m (around June 21). The shortest is around 8h 7m (around December 21). Days are currently getting shorter — losing about 2 minutes per day.
| Month | Day length | Sunrise | Sunset |
|---|---|---|---|
| January | 8h 35m | 07:38 | 16:13 |
| February | 10h 7m | 06:57 | 17:04 |
| March | 11h 49m | 06:00 | 17:50 |
| April | 13h 44m | 05:54 | 19:38 |
| May | 15h 21m | 05:02 | 20:23 |
| June | 16h 17m | 04:38 | 20:55 |
| July | 15h 55m | 04:55 | 20:49 |
| August | 14h 29m | 05:36 | 20:05 |
| September | 12h 40m | 06:22 | 19:01 |
| October | 10h 50m | 07:07 | 17:57 |
| November | 9h 7m | 06:57 | 16:04 |
| December | 8h 10m | 07:36 | 15:46 |