Ostrołęka — sunrise and sunset times

Calculate the sunrise and sunset times in Ostrołęka, and the day length for any given day of the year.

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Ostrołęka — sunrise, sunset, length of day 01/07/2025
Sunrise	04:09:45
Sunset	21:05:31
Day length	16:55:46
Sun at its zenith	12:37:38
Civil dawn	03:21:12
Civil Twilight	21:54:04
Nautical dawn	01:55:22
Nautical Twilight	23:19:54