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Major Longsol 2025

The longest solar day of the year, noon to noon.

Monday, December 22, 2025

around 16:09 UTC

Noon to noon: 24 h + 29.8 s

The Sun is falling behind the clock at its fastest.

See it on the figureAbout Major Longsol, and every year

Around the world

UTCMon, Dec 22≈ 16:09UTC
HonoluluMon, Dec 22≈ 6:09 AMUTC−10
Los AngelesMon, Dec 22≈ 8:09 AMUTC−8
DenverMon, Dec 22≈ 9:09 AMUTC−7
ChicagoMon, Dec 22≈ 10:09 AMUTC−6
New YorkMon, Dec 22≈ 11:09 AMUTC−5
São PauloMon, Dec 22≈ 1:09 PMUTC−3
LondonMon, Dec 22≈ 4:09 PMUTC
Paris, BerlinMon, Dec 22≈ 5:09 PMUTC+1
CairoMon, Dec 22≈ 6:09 PMUTC+2
MoscowMon, Dec 22≈ 7:09 PMUTC+3
DubaiMon, Dec 22≈ 8:09 PMUTC+4
IndiaMon, Dec 22≈ 9:39 PMUTC+5:30
BangkokMon, Dec 22≈ 11:09 PMUTC+7
Beijing, SingaporeTue, Dec 23≈ 12:09 AMUTC+8
TokyoTue, Dec 23≈ 1:09 AMUTC+9
SydneyTue, Dec 23≈ 3:09 AMUTC+11
AucklandTue, Dec 23≈ 5:09 AMUTC+13

Major Longsol in other years