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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Tuesday, August 19

15% illuminated
25.9 days since new moon

Saturn retrograde

Jul 12, 2025, 11:59 PM EDT – Nov 27, 2025, 10:49 PM EST

Saturn appears to move backward from Earth between these dates.

Read this day’s sky

25.9 days since new moon

BeganJul 24, 3:11 PM EDT

Next new moonAug 23, 2:07 AM EDT

3.6 days remain of 29.5.

First QuarterAug 1, 8:42 AM EDT
Full MoonAug 9, 3:55 AM EDT
Last QuarterAug 16, 1:12 AM EDT
New MoonAug 23, 2:07 AM EDT

Layers

Sky eventsLunar phases & eclipsesEquinoxes & solsticesPlanetary stationsRetrograde periodsSign changesExact aspects

Tradition calendarsThelemic feastsIslamic · tabular estimatesChristian · Gregorian

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

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Calendar files use the layers you chose, in America/New_York.

Year

August 2025

America/New_York

July 12, 2025

Saturn retrograde

Jul 12, 2025, 11:59 PM EDT – Nov 27, 2025, 10:49 PM EST. Saturn appears to move backward from Earth between these dates.

July 18, 2025

Mercury retrograde

Jul 18, 2025, 12:38 AM EDT – Aug 11, 2025, 3:32 AM EDT. Mercury appears to move backward from Earth between these dates.

August 1, 2025

First Quarter Moon in Scorpio

8:42 AM EDT

August 9, 2025

Full Moon in Aquarius

3:55 AM EDT

August 12, 2025

First Night of the Prophet and His Bride

All day. A Thelemic feast kept each year on August 12.

August 16, 2025

Last Quarter Moon in Taurus

1:12 AM EDT

August 23, 2025

New Moon in Virgo

2:07 AM EDT

August 31, 2025

First Quarter Moon in Sagittarius

2:25 AM EDT

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 ↗.