Moon phases for 1991
There are 12 New Moons and 12 Full Moons in 1991. The first New Moon is on 15 January 1991 at 23:50 UT and the first Full Moon is on 30 January 1991 at 06:10 UT. Every time is Universal Time.
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- New Moons12 in 1991
- Full Moons12 in 1991
- First New Moon15 January 1991
- First Full Moon30 January 1991
- Last Full Moon21 December 1991
- Blue Moonnone by the calendar-month rule
January 1991 Moon phases
- Monday 7 January 199118:36 UTLast Quarter at 16°57′ Libra
- Tuesday 15 January 199123:50 UTNew Moon at 25°20′ Capricorn
- Wednesday 23 January 199114:21 UTFirst Quarter at 3°04′ Taurus
- Wednesday 30 January 199106:10 UTFull Moon at 9°50′ Leo
February 1991 Moon phases
- Wednesday 6 February 199113:53 UTLast Quarter at 17°16′ Scorpio
- Thursday 14 February 199117:32 UTNew Moon at 25°31′ Aquarius
- Thursday 21 February 199122:58 UTFirst Quarter at 2°48′ Gemini
- Thursday 28 February 199118:25 UTFull Moon at 9°39′ Virgo
March 1991 Moon phases
- Friday 8 March 199110:32 UTLast Quarter at 17°20′ Sagittarius
- Saturday 16 March 199108:11 UTNew Moon at 25°14′ Pisces
- Saturday 23 March 199106:02 UTFirst Quarter at 2°06′ Cancer
- Saturday 30 March 199107:17 UTFull Moon at 9°05′ Libra
April 1991 Moon phases
- Sunday 7 April 199106:46 UTLast Quarter at 16°57′ Capricorn
- Sunday 14 April 199119:38 UTNew Moon at 24°21′ Aries
- Sunday 21 April 199112:38 UTFirst Quarter at 0°54′ Leo
- Sunday 28 April 199120:58 UTFull Moon at 8°03′ Scorpio
May 1991 Moon phases
- Tuesday 7 May 199100:46 UTLast Quarter at 15°58′ Aquarius
- Tuesday 14 May 199104:36 UTNew Moon at 22°54′ Taurus
- Monday 20 May 199119:46 UTFirst Quarter at 29°17′ Leo
- Tuesday 28 May 199111:36 UTFull Moon at 6°39′ Sagittarius
June 1991 Moon phases
- Wednesday 5 June 199115:30 UTLast Quarter at 14°28′ Pisces
- Wednesday 12 June 199112:06 UTNew Moon at 21°02′ Gemini
- Wednesday 19 June 199104:19 UTFirst Quarter at 27°24′ Virgo
- Thursday 27 June 199102:58 UTFull Moon at 4°59′ Capricorn
July 1991 Moon phases
- Friday 5 July 199102:50 UTLast Quarter at 12°36′ Aries
- Thursday 11 July 199119:06 UTNew Moon at 18°58′ Cancer
- Thursday 18 July 199115:10 UTFirst Quarter at 25°30′ Libra
- Friday 26 July 199118:24 UTFull Moon at 3°16′ Aquarius
August 1991 Moon phases
- Saturday 3 August 199111:25 UTLast Quarter at 10°38′ Taurus
- Saturday 10 August 199102:27 UTNew Moon at 16°59′ Leo
- Saturday 17 August 199105:00 UTFirst Quarter at 23°48′ Scorpio
- Sunday 25 August 199109:07 UTFull Moon at 1°40′ Pisces
September 1991 Moon phases
- Sunday 1 September 199118:16 UTLast Quarter at 8°48′ Gemini
- Sunday 8 September 199111:00 UTNew Moon at 15°17′ Virgo
- Sunday 15 September 199122:00 UTFirst Quarter at 22°33′ Sagittarius
- Monday 23 September 199122:39 UTFull Moon at 0°23′ Aries
October 1991 Moon phases
- Tuesday 1 October 199100:29 UTLast Quarter at 7°20′ Cancer
- Monday 7 October 199121:38 UTNew Moon at 14°06′ Libra
- Tuesday 15 October 199117:32 UTFirst Quarter at 21°51′ Capricorn
- Wednesday 23 October 199111:08 UTFull Moon at 29°32′ Aries
- Wednesday 30 October 199107:10 UTLast Quarter at 6°21′ Leo
November 1991 Moon phases
- Wednesday 6 November 199111:11 UTNew Moon at 13°32′ Scorpio
- Thursday 14 November 199114:01 UTFirst Quarter at 21°41′ Aquarius
- Thursday 21 November 199122:56 UTFull Moon at 29°07′ Taurus
- Thursday 28 November 199115:21 UTLast Quarter at 5°53′ Virgo
December 1991 Moon phases
- Friday 6 December 199103:56 UTNew Moon at 13°31′ Sagittarius
- Saturday 14 December 199109:31 UTFirst Quarter at 21°52′ Pisces
- Saturday 21 December 199110:23 UTFull Moon at 29°02′ Gemini
- Saturday 28 December 199101:55 UTLast Quarter at 5°48′ Libra
How the phases are defined
A New Moon is the moment the Moon and the Sun share the same ecliptic longitude. A Full Moon is when they are 180° apart. First Quarter and Last Quarter are 90° and 270° from the Sun. Each time above is the exact minute the angle is reached, and the sign and degree are the Moon's own position at that minute.
What these dates are worth
Every time on this page is computed by the engine that casts the charts, not copied from a table. All times are Universal Time (UT), so a date can fall a day either side of your own clock: add your time zone's offset to get local time. The Moon is checked against NASA and JPL values and the planets against published station and ingress dates; the table of what Umbriel checks, and how close it comes is public. Umbriel is for reflection and self-understanding, not prediction.
Retrograde dates 1991 · Ephemeris 1991 · Moon phase calendar · Sky events ahead