When Is Spring Equinox?
The Vernal (Spring) Equinox in the Northern Hemisphere is in March. In the Southern Hemisphere, it's in September.
Home Sun & Moon Seasons
Warning
Local time history for years before 1970 is not available for Washington DC.
Instead, local time for New York is used for years before 1970.
Current Season
Winter 2020-2021
Start (December Solstice)Dec 215:02 amDuration 88 days, 23 hrs, 35 minsNext Season
Spring 2021
Start (March Equinox)Mar 205:37 amDuration92 days, 17 hrs, 54 mins
Summer 2021
Start (June Solstice)Jun 2011:32 pmDuration 93 days, 15 hrs, 49 mins
Autumn 2021
Start (September Equinox)Sep 223:21 pmDuration 89 days, 20 hrs, 38 mins
Countries define seasons differently. This calculator refers to astronomical seasons, not meteorological seasons. All times are local time for New York.
Solstices & Equinoxes for Washington DC
| Year | March Equinox | June Solstice | September Equinox | December Solstice | ||||
|---|---|---|---|---|---|---|---|---|
| 1500 | Mar 10 | 10:23 pm LMT | Jun 12 | 1:12 am LMT | Sep 13 | 11:26 am LMT | Dec 11 | 11:24 pm LMT |
| 1501 | Mar 11 | 4:13 am LMT | Jun 12 | 6:56 am LMT | Sep 13 | 5:12 pm LMT | Dec 12 | 5:10 am LMT |
| 1502 | Mar 11 | 9:58 am LMT | Jun 12 | 12:42 pm LMT | Sep 13 | 10:55 pm LMT | Dec 12 | 10:50 am LMT |
| 1503 | Mar 11 | 3:46 pm LMT | Jun 12 | 6:37 pm LMT | Sep 14 | 4:45 am LMT | Dec 12 | 4:42 pm LMT |
| 1504 | Mar 10 | 9:38 pm LMT | Jun 12 | 12:16 am LMT | Sep 13 | 10:24 am LMT | Dec 11 | 10:27 pm LMT |
| 1505 | Mar 11 | 3:20 am LMT | Jun 12 | 6:02 am LMT | Sep 13 | 4:17 pm LMT | Dec 12 | 4:13 am LMT |
| 1506 | Mar 11 | 9:04 am LMT | Jun 12 | 11:56 am LMT | Sep 13 | 10:10 pm LMT | Dec 12 | 10:02 am LMT |
| 1507 | Mar 11 | 2:53 pm LMT | Jun 12 | 5:38 pm LMT | Sep 14 | 3:48 am LMT | Dec 12 | 3:47 pm LMT |
| 1508 | Mar 10 | 8:40 pm LMT | Jun 11 | 11:26 pm LMT | Sep 13 | 9:44 am LMT | Dec 11 | 9:44 pm LMT |
| 1509 | Mar 11 | 2:28 am LMT | Jun 12 | 5:11 am LMT | Sep 13 | 3:35 pm LMT | Dec 12 | 3:35 am LMT |
| 1510 | Mar 11 | 8:16 am LMT | Jun 12 | 10:58 am LMT | Sep 13 | 9:20 pm LMT | Dec 12 | 9:20 am LMT |
| 1511 | Mar 11 | 2:07 pm LMT | Jun 12 | 4:53 pm LMT | Sep 14 | 3:15 am LMT | Dec 12 | 3:20 pm LMT |
| 1512 | Mar 10 | 8:04 pm LMT | Jun 11 | 10:36 pm LMT | Sep 13 | 8:58 am LMT | Dec 11 | 9:11 pm LMT |
| 1513 | Mar 11 | 1:54 am LMT | Jun 12 | 4:25 am LMT | Sep 13 | 2:51 pm LMT | Dec 12 | 3:00 am LMT |
| 1514 | Mar 11 | 7:43 am LMT | Jun 12 | 10:23 am LMT | Sep 13 | 8:47 pm LMT | Dec 12 | 8:53 am LMT |
| 1515 | Mar 11 | 1:40 pm LMT | Jun 12 | 4:11 pm LMT | Sep 14 | 2:25 am LMT | Dec 12 | 2:38 pm LMT |
| 1516 | Mar 10 | 7:30 pm LMT | Jun 11 | 10:02 pm LMT | Sep 13 | 8:22 am LMT | Dec 11 | 8:33 pm LMT |
| 1517 | Mar 11 | 1:18 am LMT | Jun 12 | 3:51 am LMT | Sep 13 | 2:15 pm LMT | Dec 12 | 2:23 am LMT |
| 1518 | Mar 11 | 7:05 am LMT | Jun 12 | 9:39 am LMT | Sep 13 | 7:59 pm LMT | Dec 12 | 8:03 am LMT |
| 1519 | Mar 11 | 12:50 pm LMT | Jun 12 | 3:31 pm LMT | Sep 14 | 1:53 am LMT | Dec 12 | 2:00 pm LMT |
| 1520 | Mar 10 | 6:42 pm LMT | Jun 11 | 9:12 pm LMT | Sep 13 | 7:36 am LMT | Dec 11 | 7:49 pm LMT |
| 1521 | Mar 11 | 12:25 am LMT | Jun 12 | 2:53 am LMT | Sep 13 | 1:25 pm LMT | Dec 12 | 1:34 am LMT |
| 1522 | Mar 11 | 6:07 am LMT | Jun 12 | 8:44 am LMT | Sep 13 | 7:17 pm LMT | Dec 12 | 7:27 am LMT |
| 1523 | Mar 11 | 12:01 pm LMT | Jun 12 | 2:26 pm LMT | Sep 14 | 12:51 am LMT | Dec 12 | 1:10 pm LMT |
| 1524 | Mar 10 | 5:48 pm LMT | Jun 11 | 8:10 pm LMT | Sep 13 | 6:42 am LMT | Dec 11 | 7:03 pm LMT |
| 1525 | Mar 10 | 11:35 pm LMT | Jun 12 | 1:57 am LMT | Sep 13 | 12:32 pm LMT | Dec 12 | 12:53 am LMT |
| 1526 | Mar 11 | 5:25 am LMT | Jun 12 | 7:44 am LMT | Sep 13 | 6:12 pm LMT | Dec 12 | 6:31 am LMT |
| 1527 | Mar 11 | 11:12 am LMT | Jun 12 | 1:38 pm LMT | Sep 14 | 12:05 am LMT | Dec 12 | 12:27 pm LMT |
| 1528 | Mar 10 | 5:07 pm LMT | Jun 11 | 7:24 pm LMT | Sep 13 | 5:51 am LMT | Dec 11 | 6:17 pm LMT |
| 1529 | Mar 10 | 10:54 pm LMT | Jun 12 | 1:11 am LMT | Sep 13 | 11:43 am LMT | Dec 12 | 12:02 am LMT |
| 1530 | Mar 11 | 4:37 am LMT | Jun 12 | 7:08 am LMT | Sep 13 | 5:42 pm LMT | Dec 12 | 5:58 am LMT |
| 1531 | Mar 11 | 10:34 am LMT | Jun 12 | 12:57 pm LMT | Sep 13 | 11:24 pm LMT | Dec 12 | 11:46 am LMT |
| 1532 | Mar 10 | 4:23 pm LMT | Jun 11 | 6:43 pm LMT | Sep 13 | 5:20 am LMT | Dec 11 | 5:43 pm LMT |
| 1533 | Mar 10 | 10:11 pm LMT | Jun 12 | 12:33 am LMT | Sep 13 | 11:17 am LMT | Dec 11 | 11:40 pm LMT |
| 1534 | Mar 11 | 4:04 am LMT | Jun 12 | 6:22 am LMT | Sep 13 | 4:59 pm LMT | Dec 12 | 5:21 am LMT |
| 1535 | Mar 11 | 9:52 am LMT | Jun 12 | 12:12 pm LMT | Sep 13 | 10:51 pm LMT | Dec 12 | 11:20 am LMT |
| 1536 | Mar 10 | 3:48 pm LMT | Jun 11 | 5:57 pm LMT | Sep 13 | 4:37 am LMT | Dec 11 | 5:12 pm LMT |
| 1537 | Mar 10 | 9:38 pm LMT | Jun 11 | 11:42 pm LMT | Sep 13 | 10:23 am LMT | Dec 11 | 10:53 pm LMT |
| 1538 | Mar 11 | 3:19 am LMT | Jun 12 | 5:35 am LMT | Sep 13 | 4:16 pm LMT | Dec 12 | 4:45 am LMT |
| 1539 | Mar 11 | 9:16 am LMT | Jun 12 | 11:24 am LMT | Sep 13 | 9:53 pm LMT | Dec 12 | 10:28 am LMT |
| 1540 | Mar 10 | 3:02 pm LMT | Jun 11 | 5:07 pm LMT | Sep 13 | 3:42 am LMT | Dec 11 | 4:16 pm LMT |
| 1541 | Mar 10 | 8:42 pm LMT | Jun 11 | 10:54 pm LMT | Sep 13 | 9:37 am LMT | Dec 11 | 10:07 pm LMT |
| 1542 | Mar 11 | 2:32 am LMT | Jun 12 | 4:42 am LMT | Sep 13 | 3:17 pm LMT | Dec 12 | 3:44 am LMT |
| 1543 | Mar 11 | 8:14 am LMT | Jun 12 | 10:28 am LMT | Sep 13 | 9:08 pm LMT | Dec 12 | 9:39 am LMT |
| 1544 | Mar 10 | 2:04 pm LMT | Jun 11 | 4:12 pm LMT | Sep 13 | 2:56 am LMT | Dec 11 | 3:34 pm LMT |
| 1545 | Mar 10 | 7:53 pm LMT | Jun 11 | 9:55 pm LMT | Sep 13 | 8:43 am LMT | Dec 11 | 9:16 pm LMT |
| 1546 | Mar 11 | 1:33 am LMT | Jun 12 | 3:45 am LMT | Sep 13 | 2:38 pm LMT | Dec 12 | 3:12 am LMT |
| 1547 | Mar 11 | 7:32 am LMT | Jun 12 | 9:35 am LMT | Sep 13 | 8:18 pm LMT | Dec 12 | 9:02 am LMT |
| 1548 | Mar 10 | 1:25 pm LMT | Jun 11 | 3:20 pm LMT | Sep 13 | 2:08 am LMT | Dec 11 | 2:53 pm LMT |
| 1549 | Mar 10 | 7:10 pm LMT | Jun 11 | 9:10 pm LMT | Sep 13 | 8:06 am LMT | Dec 11 | 8:50 pm LMT |
| * All times are local time for New York. Dates are based on the Julian calendar. Times adjusted for DST if applicable. England and English colonies used a calendar which started on March 25 until year 1751. This is not reflected on this page. | ||||||||
The Seasons Calculator shows the times and dates of Vernal (Spring) & Autumnal (Fall) equinoxes and Summer and Winter solstices all over the world.
Learn more about equinoxes and solstices
When Is Summer Solstice?
The summer solstice in the Northern Hemisphere is in June, while in the Southern Hemisphere, it's in December.
When Is Fall Equinox?
The fall (autumnal) equinox in the Northern Hemisphere is in September. In the Southern Hemisphere, it's in March.
When Is Winter Solstice?
The Winter solstice in the Northern Hemisphere is in December, while in the Southern Hemisphere, it's in June.
March Equinox
March equinox marks the beginning of spring in the Northern Hemisphere. It is the Southern Hemisphere's autumnal/fall equinox.
June Solstice
The June solstice is the longest day of the year in the Northern Hemisphere & the shortest day in the Southern Hemisphere.
September Equinox
The Sun shines directly on the Equator on the September equinox and the length of day and night is nearly equal, but not quite.
December Solstice
The December solstice is the summer solstice in the Southern Hemisphere and the winter solstice in the Northern Hemisphere.
Astronomy Calculators
- Moon Calculator – Find times for moonrise, moonset and more.
- Moon Phase Calendar – Calculate moon phases for any year.
- Sunrise Calculator – Find times for sunrise, sunset and more.
- Day and Night World Map – See which parts of the Earth are currently illuminated by the Sun.
More Information
Calendar Tools
- Calendar for 2021
- Calendar Generator – Create a calendar for any year.
- Duration Between Two Dates – Calculates number of days.
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