Calendar

Moons, seasons and feasts. Choose a day to read it.

A number counts that day’s events. An underline marks a retrograde.

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Wednesday, January 20

94% illuminated
12.6 days since new moon

Jupiter retrograde

Dec 13, 2026, 12:58 AM UTC – Apr 13, 2027, 2:13 AM UTC

Jupiter appears to move backward from Earth between these dates.

Mars retrograde

Jan 10, 2027, 1:01 PM UTC – Apr 1, 2027, 2:10 PM UTC

Mars appears to move backward from Earth between these dates.

Read this day’s sky

12.6 days since new moon

BeganJan 7, 8:25 PM UTC

Next new moonFeb 6, 3:56 PM UTC

17.2 days remain of 29.8.

First QuarterJan 15, 8:35 PM UTC
Full MoonJan 22, 12:17 PM UTC
Last QuarterJan 29, 10:56 AM UTC
New MoonFeb 6, 3:56 PM UTC

Layers

Sky eventsLunar phases & eclipsesEquinoxes & solsticesPlanetary stationsRetrograde periodsSign changesExact aspects

Tradition calendarsThelemic feastsIslamic · tabular estimatesChristian · Gregorian

6 events shown. Tradition layers are a selection, not a full calendar.

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Calendar files use the layers you chose, in UTC.

Year

January 2027

UTC

December 13, 2026

Jupiter retrograde

Dec 13, 2026, 12:58 AM UTC – Apr 13, 2027, 2:13 AM UTC. Jupiter appears to move backward from Earth between these dates.

January 7, 2027

New Moon in Capricorn

8:25 PM UTC

January 10, 2027

Mars retrograde

Jan 10, 2027, 1:01 PM UTC – Apr 1, 2027, 2:10 PM UTC. Mars appears to move backward from Earth between these dates.

January 15, 2027

First Quarter Moon in Aries

8:35 PM UTC

January 22, 2027

Full Moon in Leo

12:17 PM UTC

January 29, 2027

Last Quarter Moon in Scorpio

10:56 AM UTC

How times are calculated

Sky events are calculated for your time zone; station times are estimates. Islamic dates are tabular: a local sighting can differ. Easter follows church tables.

Sources: retrograde motion ↗, Moon phases ↗, Islamic calendar ↗, Thelemic feasts ↗.