Boulogne-Billancourt — sunrise and sunset times

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

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Boulogne-Billancourt — sunrise, sunset, length of day 31/07/2025
Sunrise	06:21:54
Sunset	21:33:02
Day length	15:11:08
Sun at its zenith	13:57:28
Civil dawn	05:46:18
Civil Twilight	22:08:37
Nautical dawn	04:57:33
Nautical Twilight	22:57:22
Astronomical dawn	03:56:20
Astronomical Twilight	23:58:35