Orionid meteor shower is coming up.
Peak night; best before dawn
Photo: Dai Jianfeng/IAU OAE, CC BY 4.0, via Wikimedia Commons
Sky and seasons · Worldwide
September equinox is coming up.
Thursday, 23 September 2027
Watch party
Count down with everyone else on this page right now.
About September equinox
Day and night are roughly equal everywhere. It starts astronomical autumn in the north and spring in the south.
From Wikipedia: September equinox, CC BY-SA 4.0
In 2027 it falls on a Thursday; in 2028 it’s on Friday 22 September, and in 2029 on Saturday 22 September. Also in September 2027: International Day of Sign Languages (23 Sep), Saudi National Day (23 Sep) and Teachers’ Day (Brunei) (23 Sep). From this page you can add it to your calendar, get an email before it, share the countdown, or show it full screen.
How we work out the date
We calculate the exact moment with Meeus’ method, so the date and time follow your time zone.
Sources
A fixed date in the Gregorian calendar, the same every year.
Dates
| Year | Date |
|---|---|
| 2027 | 23 September, 06:01 UTC |
| 2028 | 22 September, 11:45 UTC |
| 2029 | 22 September, 17:37 UTC |
| 2030 | 22 September, 23:27 UTC |
| 2031 | 23 September, 05:15 UTC |
| 2032 | 22 September, 11:10 UTC |
| 2033 | 22 September, 16:51 UTC |
| 2034 | 22 September, 22:39 UTC |
| 2035 | 23 September, 04:38 UTC |
| 2036 | 22 September, 10:23 UTC |
On this day in history
From Wikipedia
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Leonid meteor shower is coming up.
Peak night; best before dawn
Photo: Dai Jianfeng/IAU OAE, CC BY 4.0, via Wikimedia Commons
Geminid meteor shower is coming up.
Peak night; the year's strongest shower
Photo: Dai Jianfeng/IAU OAE, CC BY 4.0, via Wikimedia Commons