Black Sun forecast calculated mathematically.Black Sun Times Statistics
Daylight Hours
Solar Events
Autumnal Equinox Day/Night Nearly Equal
22 September, 2021Spring Equinox Day/Night Nearly Equal
20 March, 2021Winter Solstice Shortest Day
21 December, 2021Summer Solstice Longest Day
20 June, 2021Next Partial Solar Eclipse
14 October, 2023 10:16–1:17 pmNext Total Solar Eclipse
–Next Annular Solar Eclipse Ring of Fire
15 November, 2077 9:28–9:34 am