What were the 1921 eclipse dates and times?

1921 had 4 eclipses: Annular Solar Eclipse on April 8, 1921 at 4:04:46 AM ET; Total Lunar Eclipse on April 22, 1921 at 2:48:58 AM ET; Total Solar Eclipse on October 1, 1921 at 7:26:00 AM ET; Partial Lunar Eclipse on October 16, 1921 at 5:59:13 PM ET. Every instant lands on the millisecond - Times mark the exact lunation instant of each eclipse.

When were the 1921 solstices and equinoxes?

Spring Equinox: March 20, 1921 at 10:50:58 PM ET; Summer Solstice: June 21, 1921 at 7:35:35 PM ET; Autumn Equinox: September 23, 1921 at 10:19:41 AM ET; Winter Solstice: December 22, 1921 at 4:07:22 AM ET.

When was Mercury retrograde in 1921?

Mercury stationed retrograde 3 times in 1921: February 21, 1921, June 24, 1921, October 19, 1921. The exact station instants are on the calendar above.

How many full moons were there in 1921?

1921 had 12 full moons. The first was the Full Moon in Leo on January 23, 1921 at 6:07:29 PM ET.

How accurate are these celestial event times?

Every event is computed with the Swiss Ephemeris (DE441) and resolved to the millisecond. The engine is verified against NASA JPL HORIZONS - The model that flies spacecraft - On the 2026 major events. Almanacs stop at the minute. Starmap does not. Positions for this pre-atomic era are exact; the clock-time mapping is good to about a second.

STARMAP | 1921 Astrology Calendar - Every Event to the Second

Across 1921, the sky delivered 12 full moons and 4 eclipses. The eclipses fell: an annular solar eclipse in Aries on April 8, a total lunar eclipse in Scorpio on April 22, a total solar eclipse in Libra on October 1, and a partial lunar eclipse in Aries on October 16. Mercury turned retrograde three times (Feb 21 to Mar 16; Jun 24 to Jul 19; Oct 19 to Nov 9). The first full moon rose in Leo on January 23. Every full moon, new moon, solar and lunar eclipse, equinox, solstice, planetary ingress, and retrograde station below is computed to the millisecond with the NASA-cross-checked Swiss Ephemeris engine and shown in Eastern Time - Choose your location on the page for your own sky.

January 1921

Jan 03, 1921 - 4:36:30 PM ET Jupiter Retrograde
Jan 04, 1921 - 5:52:02 AM ET Saturn Retrograde
Jan 05, 1921 - 2:39:16 AM ET Mars enters Pisces
Jan 06, 1921 - 1:44:06 PM ET Ceres Rx enters Gemini
Jan 06, 1921 - 3:32:26 PM ET Venus enters Pisces
Jan 09, 1921 - 12:26:24 AM ET New Moon in Capricorn
Jan 17, 1921 - 1:30:28 AM ET First Quarter Moon in Aries
Jan 18, 1921 - 9:28:21 PM ET Mercury enters Aquarius
Jan 20, 1921 - 8:54:38 AM ET Sun enters Aquarius
Jan 23, 1921 - 6:07:29 PM ET Full Moon in Leo
Jan 30, 1921 - 3:01:47 PM ET Last Quarter Moon in Scorpio

February 1921

Feb 02, 1921 - 1:34:45 PM ET Venus enters Aries
Feb 03, 1921 - 5:58:08 PM ET Vesta enters Pisces
Feb 05, 1921 - 5:13:32 AM ET Mercury enters Pisces
Feb 07, 1921 - 8:03:38 AM ET True Node Rx enters Libra
Feb 07, 1921 - 7:36:28 PM ET New Moon in Aquarius
Feb 10, 1921 - 12:42:52 PM ET Ceres Direct
Feb 13, 1921 - 12:20:42 AM ET Mars enters Aries
Feb 13, 1921 - 4:33:55 AM ET Juno enters Capricorn
Feb 15, 1921 - 1:52:56 PM ET First Quarter Moon in Taurus
Feb 18, 1921 - 11:19:56 PM ET Sun enters Pisces
Feb 20, 1921 - 7:34:26 AM ET Pallas enters Taurus
Feb 21, 1921 - 6:12:05 PM ET Mercury Retrograde
Feb 22, 1921 - 4:31:52 AM ET Full Moon in Virgo

March 1921

Mar 01, 1921 - 9:02:50 AM ET Last Quarter Moon in Sagittarius
Mar 07, 1921 - 4:18:10 AM ET Venus enters Taurus
Mar 09, 1921 - 1:08:47 PM ET New Moon in Pisces
Mar 16, 1921 - 3:55:07 AM ET Mercury Direct
Mar 16, 1921 - 10:48:40 PM ET First Quarter Moon in Gemini
Mar 18, 1921 - 11:05:25 AM ET Ceres enters Cancer
Mar 20, 1921 - 10:50:58 PM ET Sun enters Aries (Spring Equinox)
Mar 21, 1921 - 5:00:18 AM ET Pluto Direct
Mar 23, 1921 - 3:18:25 PM ET Full Moon in Libra
Mar 25, 1921 - 1:25:58 AM ET Mars enters Taurus
Mar 31, 1921 - 4:13:03 AM ET Last Quarter Moon in Capricorn

April 1921

Apr 01, 1921 - 6:19:19 AM ET Venus Retrograde
Apr 06, 1921 - 3:52:33 AM ET Vesta enters Aries
Apr 08, 1921 - 4:04:46 AM ET Annular Solar Eclipse (New Moon) in Aries
Apr 13, 1921 - 9:11:59 PM ET Mercury enters Aries
Apr 15, 1921 - 5:11:06 AM ET First Quarter Moon in Cancer
Apr 20, 1921 - 10:32:14 AM ET Sun enters Taurus
Apr 20, 1921 - 6:40:12 PM ET Pallas enters Gemini
Apr 21, 1921 - 9:06:36 PM ET Neptune Direct
Apr 22, 1921 - 2:48:58 AM ET Total Lunar Eclipse (Full Moon) in Scorpio
Apr 25, 1921 - 7:46:07 PM ET Venus Rx enters Aries
Apr 30, 1921 - 12:08:19 AM ET Last Quarter Moon in Aquarius

May 1921

May 01, 1921 - 3:02:57 AM ET Mercury enters Taurus
May 05, 1921 - 9:44:53 PM ET Mars enters Gemini
May 05, 1921 - 9:47:31 PM ET Jupiter Direct
May 05, 1921 - 10:21:19 PM ET Juno Retrograde
May 07, 1921 - 5:01:03 PM ET New Moon in Taurus
May 13, 1921 - 8:27:29 PM ET Venus Direct
May 14, 1921 - 11:24:22 AM ET First Quarter Moon in Leo
May 15, 1921 - 6:08:59 AM ET Mercury enters Gemini
May 20, 1921 - 5:37:00 PM ET Saturn Direct
May 21, 1921 - 11:16:41 AM ET Sun enters Gemini
May 21, 1921 - 4:15:02 PM ET Full Moon in Sagittarius
May 29, 1921 - 5:44:18 PM ET Last Quarter Moon in Pisces
May 31, 1921 - 1:12:08 AM ET Mercury enters Cancer

June 1921

Jun 02, 1921 - 12:20:50 AM ET Venus enters Taurus
Jun 06, 1921 - 2:14:18 AM ET New Moon in Gemini
Jun 11, 1921 - 12:05:41 AM ET Pallas enters Cancer
Jun 12, 1921 - 4:59:03 PM ET First Quarter Moon in Virgo
Jun 12, 1921 - 7:38:12 PM ET Vesta enters Taurus
Jun 13, 1921 - 4:36:36 PM ET Ceres enters Leo
Jun 14, 1921 - 6:55:32 AM ET Uranus Retrograde
Jun 18, 1921 - 4:34:02 PM ET Mars enters Cancer
Jun 20, 1921 - 5:40:53 AM ET Full Moon in Sagittarius
Jun 21, 1921 - 7:35:35 PM ET Sun enters Cancer (Summer Solstice)
Jun 24, 1921 - 8:26:08 PM ET Mercury Retrograde
Jun 28, 1921 - 9:16:39 AM ET Last Quarter Moon in Aries

July 1921

Jul 05, 1921 - 9:35:51 AM ET New Moon in Cancer
Jul 08, 1921 - 1:57:09 AM ET Venus enters Gemini
Jul 12, 1921 - 12:15:16 AM ET First Quarter Moon in Libra
Jul 17, 1921 - 11:29:46 AM ET Chiron Retrograde
Jul 19, 1921 - 1:32:58 AM ET Mercury Direct
Jul 19, 1921 - 8:07:19 PM ET Full Moon in Capricorn
Jul 23, 1921 - 6:30:14 AM ET Sun enters Leo
Jul 27, 1921 - 10:19:35 PM ET Last Quarter Moon in Taurus
Jul 31, 1921 - 6:02:07 AM ET Pallas enters Leo
Jul 31, 1921 - 12:50:49 PM ET Juno Rx enters Sagittarius

August 1921

Aug 03, 1921 - 7:00:40 AM ET Mars enters Leo
Aug 03, 1921 - 4:17:02 PM ET New Moon in Leo
Aug 05, 1921 - 10:41:50 AM ET Venus enters Cancer
Aug 08, 1921 - 3:41:31 AM ET Mercury enters Leo
Aug 10, 1921 - 10:13:15 AM ET First Quarter Moon in Scorpio
Aug 18, 1921 - 11:27:58 AM ET Full Moon in Aquarius
Aug 20, 1921 - 1:39:59 AM ET Ceres enters Virgo
Aug 23, 1921 - 3:05:48 AM ET Juno Direct
Aug 23, 1921 - 9:53:37 AM ET Mercury enters Virgo
Aug 23, 1921 - 1:15:06 PM ET Sun enters Virgo
Aug 26, 1921 - 8:51:01 AM ET Last Quarter Moon in Gemini
Aug 31, 1921 - 6:23:37 PM ET Venus enters Leo

September 1921

Sep 01, 1921 - 11:32:38 PM ET New Moon in Virgo
Sep 08, 1921 - 10:37:02 PM ET Mercury enters Libra
Sep 08, 1921 - 11:29:03 PM ET First Quarter Moon in Sagittarius
Sep 15, 1921 - 6:43:09 AM ET Juno enters Capricorn
Sep 17, 1921 - 3:19:37 AM ET Full Moon in Pisces
Sep 19, 1921 - 7:39:50 AM ET Mars enters Virgo
Sep 21, 1921 - 11:02:52 PM ET Vesta Retrograde
Sep 22, 1921 - 9:24:41 PM ET Pallas enters Virgo
Sep 23, 1921 - 10:19:41 AM ET Sun enters Libra (Autumn Equinox)
Sep 24, 1921 - 5:17:22 PM ET Last Quarter Moon in Cancer
Sep 25, 1921 - 6:09:52 PM ET Jupiter enters Libra
Sep 25, 1921 - 11:08:22 PM ET Venus enters Virgo
Sep 29, 1921 - 11:01:15 AM ET Mercury enters Scorpio

October 1921

Oct 01, 1921 - 7:26:00 AM ET Total Solar Eclipse (New Moon) in Libra
Oct 07, 1921 - 12:21:13 PM ET Saturn enters Libra
Oct 08, 1921 - 3:11:24 PM ET First Quarter Moon in Capricorn
Oct 10, 1921 - 8:05:26 PM ET Pluto Retrograde
Oct 16, 1921 - 5:59:13 PM ET Partial Lunar Eclipse (Full Moon) in Aries
Oct 19, 1921 - 7:00:19 PM ET Mercury Retrograde
Oct 20, 1921 - 12:34:41 PM ET Venus enters Libra
Oct 23, 1921 - 6:02:15 PM ET Sun enters Scorpio
Oct 23, 1921 - 11:31:11 PM ET Last Quarter Moon in Leo
Oct 24, 1921 - 9:11:16 PM ET Ceres enters Libra
Oct 30, 1921 - 6:38:26 PM ET New Moon in Scorpio

November 1921

Nov 06, 1921 - 11:12:44 AM ET Mars enters Libra
Nov 07, 1921 - 10:53:29 AM ET First Quarter Moon in Aquarius
Nov 09, 1921 - 6:17:23 AM ET Mercury Direct
Nov 13, 1921 - 4:10:53 PM ET Venus enters Scorpio
Nov 15, 1921 - 7:50:11 AM ET Uranus Direct
Nov 15, 1921 - 8:38:46 AM ET Full Moon in Taurus
Nov 18, 1921 - 3:57:07 PM ET Neptune Retrograde
Nov 22, 1921 - 6:40:41 AM ET Last Quarter Moon in Leo
Nov 22, 1921 - 3:04:27 PM ET Sun enters Sagittarius
Nov 25, 1921 - 10:16:06 PM ET Pallas enters Libra
Nov 29, 1921 - 8:25:22 AM ET New Moon in Sagittarius

December 1921

Dec 04, 1921 - 7:27:45 PM ET Mercury enters Sagittarius
Dec 07, 1921 - 8:19:11 AM ET First Quarter Moon in Pisces
Dec 07, 1921 - 2:46:30 PM ET Venus enters Sagittarius
Dec 14, 1921 - 9:50:13 PM ET Full Moon in Gemini
Dec 21, 1921 - 8:53:14 AM ET Chiron Direct
Dec 21, 1921 - 2:53:42 PM ET Last Quarter Moon in Virgo
Dec 22, 1921 - 4:07:22 AM ET Sun enters Capricorn (Winter Solstice)
Dec 24, 1921 - 1:44:36 AM ET Mercury enters Capricorn
Dec 24, 1921 - 10:17:44 AM ET Juno enters Aquarius
Dec 26, 1921 - 6:48:06 AM ET Mars enters Scorpio
Dec 27, 1921 - 4:56:26 PM ET Vesta Direct
Dec 29, 1921 - 12:39:04 AM ET New Moon in Capricorn
Dec 31, 1921 - 11:31:15 AM ET Venus enters Capricorn

Starmap1921

Every Celestial Event Mapped to the Millisecond