Boa Vista — sunrise and sunset times

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

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Boa Vista — sunrise, sunset, length of day 03/08/2025
Sunrise	06:01:50
Sunset	18:15:58
Day length	12:14:08
Sun at its zenith	12:08:54
Civil dawn	05:40:11
Civil Twilight	18:37:37
Nautical dawn	05:14:55
Nautical Twilight	19:02:53
Astronomical dawn	04:49:32
Astronomical Twilight	19:28:16