Autumnal Equinox Day
10
MONTHS
03
WEEKS
12
HOURS
Public holiday
Autumnal Equinox Day Countdown 2027
Thursday, September 23, 2027
The astronomy of the season
September Equinox
Thursday, September 23, 2027, falls on Autumnal Equinox Day
At the equinox day and night fall into near-perfect balance the world over, and one season quietly gives way to the next.
Common questions
When is Autumnal Equinox Day 2027?
Autumnal Equinox Day 2027 falls on Thursday, September 23, 2027.
How many days until Autumnal Equinox Day?
Autumnal Equinox Day 2027 is 10 months and 3 weeks away.
Autumnal Equinox Day in coming years
| Year | Date | Day |
|---|---|---|
| 2027 | September 23 | Thursday |
| 2028 | September 22 | Friday |
| 2029 | September 23 | Sunday |
| 2030 | September 23 | Monday |