McDonald Observatory Sun forecast calculated mathematically.McDonald Observatory 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 7:53-8:48 amNext Total Solar Eclipse
-Next Annular Solar Eclipse Ring of Fire
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