San Antonio Sun forecast calculated mathematically.San Antonio Sun Times Statistics
Daylight Hours
Solar Events
Autumnal Equinox Day/Night Nearly Equal
22 September, 2025Spring Equinox Day/Night Nearly Equal
20 March, 2026Winter Solstice Shortest Day
21 December, 2025Summer Solstice Longest Day
21 June, 2026Next Partial Solar Eclipse
26 January, 2028 7:14-7:48 amNext Total Solar Eclipse
-Next Annular Solar Eclipse Ring of Fire
15 November, 2077 8:25-8:31 am