Sunrise and Sunset in Ostrołęka, 2026
Day length at Ostrołęka runs from 7 h 32 min at the winter solstice to 16 h 57 min at the summer solstice.
Day length through the year
- Day length
Month by month
Each month links to a day-by-day table with twilight, golden hour and the moon.
| Month | Sunrise, 1st | Sunset, 1st | Day, 1st | Sunrise, 15th | Sunset, 15th | Day, 15th |
|---|---|---|---|---|---|---|
| January | 7:48 AM | 3:27 PM | 7 h 39 min | 7:40 AM | 3:47 PM | 8 h 07 min |
| February | 7:18 AM | 4:18 PM | 9 h 00 min | 6:52 AM | 4:45 PM | 9 h 53 min |
| March | 6:21 AM | 5:12 PM | 10 h 51 min | 5:49 AM | 5:38 PM | 11 h 49 min |
| April | 6:08 AM | 7:08 PM | 13 h 00 min | 5:35 AM | 7:34 PM | 13 h 59 min |
| May | 5:01 AM | 8:02 PM | 15 h 01 min | 4:35 AM | 8:26 PM | 15 h 51 min |
| June | 4:14 AM | 8:50 PM | 16 h 36 min | 4:07 AM | 9:02 PM | 16 h 55 min |
| July | 4:12 AM | 9:03 PM | 16 h 51 min | 4:26 AM | 8:53 PM | 16 h 27 min |
| August | 4:51 AM | 8:28 PM | 15 h 37 min | 5:14 AM | 8:01 PM | 14 h 47 min |
| September | 5:43 AM | 7:23 PM | 13 h 40 min | 6:07 AM | 6:50 PM | 12 h 43 min |
| October | 6:35 AM | 6:11 PM | 11 h 36 min | 7:00 AM | 5:38 PM | 10 h 38 min |
| November | 6:31 AM | 4:02 PM | 9 h 31 min | 6:57 AM | 3:38 PM | 8 h 41 min |
| December | 7:24 AM | 3:21 PM | 7 h 57 min | 7:41 AM | 3:16 PM | 7 h 35 min |
Full and new moons in 2026
Dates in Ostrołęka's own time zone.
- Full moons
- January 3, February 1, March 3, April 2, May 1, May 31, June 30, July 29, August 28, September 26, October 26, November 24, December 24
- New moons
- January 18, February 17, March 19, April 17, May 16, June 15, July 14, August 12, September 11, October 10, November 9, December 9
Sources
Computed with the NOAA solar position equations (accurate to about a minute; the horizon is assumed flat and at sea level) and the lunar phase method of Meeus, Astronomical Algorithms.