Year Up Fall 2025 Dates. Untied states 2025 calendar online and printable for year 2025 with holidays, observances and full moons Autumn 2025 starts on sunday, september 22nd in the northern hemisphere, with daylight time shortening and the leaves begining to fall with the changing tilt of the earth's axis.
We “fall back” one hour and return to standard time on sunday, november 3, 2025 at 2 a.m. The next full moon in 2025 is at 10:34 p.m.