Great Falls Sun forecast calculated mathematically.Great Falls Sun Times Statistics
Daylight Hours
Solar Events
Autumnal Equinox Day/Night Nearly Equal
22 September, 2025Spring Equinox Day/Night Nearly Equal
20 March, 2025Winter Solstice Shortest Day
21 December, 2024Summer Solstice Longest Day
20 June, 2025Next Partial Solar Eclipse
14 January, 2029 8:30–11:19 amNext Total Solar Eclipse
–Next Annular Solar Eclipse Ring of Fire
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