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Moons, seasons and feasts. Choose what you want to see.

June 2020

Read the selected day

Wednesday

June 17

13% illuminated
25.9 days since new moon
At local noon

Throughout this period, Retrograde periods

Saturn retrograde

May 11, 2020, 12:07 AM EDT – Sep 29, 2020, 1:06 AM EDT

Meaning and source

The planet appears to move backward in geocentric ecliptic longitude between these two stations. It continues orbiting the Sun in its usual direction. This period excludes any astrological “shadow” dates.

Complete station-to-station period · boundaries use a centred 12-hour speed estimate. Displayed minutes are approximate; station times can differ between ephemerides

Astronomy Engine · calculated sky ↗

Throughout this period, Retrograde periods

Venus retrograde

May 13, 2020, 2:42 AM EDT – Jun 25, 2020, 2:49 AM EDT

Meaning and source

The planet appears to move backward in geocentric ecliptic longitude between these two stations. It continues orbiting the Sun in its usual direction. This period excludes any astrological “shadow” dates.

Complete station-to-station period · boundaries use a centred 12-hour speed estimate. Displayed minutes are approximate; station times can differ between ephemerides

Astronomy Engine · calculated sky ↗

Throughout this period, Retrograde periods

Jupiter retrograde

May 14, 2020, 10:33 AM EDT – Sep 12, 2020, 8:48 PM EDT

Meaning and source

The planet appears to move backward in geocentric ecliptic longitude between these two stations. It continues orbiting the Sun in its usual direction. This period excludes any astrological “shadow” dates.

Complete station-to-station period · boundaries use a centred 12-hour speed estimate. Displayed minutes are approximate; station times can differ between ephemerides

Astronomy Engine · calculated sky ↗

Read this day’s sky

25.9 days since new moon

Began
Next new moon
  1. This cycleFirst Quarter
  2. This cycleFull Moon
  3. This cycleLast Quarter
  4. Next cycleNew Moon
All 12 events in order

May 11, 2020

Throughout this period, Retrograde periods

Saturn retrograde

May 11, 2020, 12:07 AM EDT – Sep 29, 2020, 1:06 AM EDT

Meaning and source

The planet appears to move backward in geocentric ecliptic longitude between these two stations. It continues orbiting the Sun in its usual direction. This period excludes any astrological “shadow” dates.

Complete station-to-station period · boundaries use a centred 12-hour speed estimate. Displayed minutes are approximate; station times can differ between ephemerides

Astronomy Engine · calculated sky ↗

May 13, 2020

Throughout this period, Retrograde periods

Venus retrograde

May 13, 2020, 2:42 AM EDT – Jun 25, 2020, 2:49 AM EDT

Meaning and source

The planet appears to move backward in geocentric ecliptic longitude between these two stations. It continues orbiting the Sun in its usual direction. This period excludes any astrological “shadow” dates.

Complete station-to-station period · boundaries use a centred 12-hour speed estimate. Displayed minutes are approximate; station times can differ between ephemerides

Astronomy Engine · calculated sky ↗

May 14, 2020

Throughout this period, Retrograde periods

Jupiter retrograde

May 14, 2020, 10:33 AM EDT – Sep 12, 2020, 8:48 PM EDT

Meaning and source

The planet appears to move backward in geocentric ecliptic longitude between these two stations. It continues orbiting the Sun in its usual direction. This period excludes any astrological “shadow” dates.

Complete station-to-station period · boundaries use a centred 12-hour speed estimate. Displayed minutes are approximate; station times can differ between ephemerides

Astronomy Engine · calculated sky ↗

June 5, 2020

3:12 PM EDT, Lunar phases & eclipses

Full Moon in Sagittarius

Meaning and source

Calculated Sun–Moon phase relationship. This is not a first-crescent visibility prediction.

Geocentric tropical zodiac · calculated instant

Astronomy Engine · calculated sky ↗

3:24 PM EDT, Lunar phases & eclipses

Penumbral Lunar Eclipse in Sagittarius

Meaning and source

Global eclipse peak. This does not predict whether the eclipse is visible from your location.

Geocentric tropical zodiac · calculated instant

Astronomy Engine · calculated sky ↗

June 13, 2020

2:24 AM EDT, Lunar phases & eclipses

Last Quarter Moon in Pisces

Meaning and source

Calculated Sun–Moon phase relationship. This is not a first-crescent visibility prediction.

Geocentric tropical zodiac · calculated instant

Astronomy Engine · calculated sky ↗

June 18, 2020

Throughout this period, Retrograde periods

Mercury retrograde

Jun 18, 2020, 1:08 AM EDT – Jul 12, 2020, 4:20 AM EDT

Meaning and source

The planet appears to move backward in geocentric ecliptic longitude between these two stations. It continues orbiting the Sun in its usual direction. This period excludes any astrological “shadow” dates.

Complete station-to-station period · boundaries use a centred 12-hour speed estimate. Displayed minutes are approximate; station times can differ between ephemerides

Astronomy Engine · calculated sky ↗

June 20, 2020

5:43 PM EDT, Equinoxes & solstices

June solstice

Meaning and source

Calculated solar turning point. Seasonal names depend on hemisphere; this calendar uses the month name.

Astronomical instant

Astronomy Engine · Seasons ↗

5:43 PM EDT, Thelemic feasts

Rituals of the Elements and Feasts of the Times

Meaning and source

The O.T.O. US Grand Lodge calendar associates these observances with the equinoxes and solstices.

Tradition attached to a calculated solar instant

O.T.O. US Grand Lodge · Calendar and holy days ↗

June 21, 2020

2:40 AM EDT, Lunar phases & eclipses

Annular Solar Eclipse in Cancer

Meaning and source

Global eclipse peak. This does not predict whether the eclipse is visible from your location.

Geocentric tropical zodiac · calculated instant

Astronomy Engine · calculated sky ↗

2:42 AM EDT, Lunar phases & eclipses

New Moon in Cancer

Meaning and source

Calculated Sun–Moon phase relationship. This is not a first-crescent visibility prediction.

Geocentric tropical zodiac · calculated instant

Astronomy Engine · calculated sky ↗

June 28, 2020

4:16 AM EDT, Lunar phases & eclipses

First Quarter Moon in Libra

Meaning and source

Calculated Sun–Moon phase relationship. This is not a first-crescent visibility prediction.

Geocentric tropical zodiac · calculated instant

Astronomy Engine · calculated sky ↗

Layers
Sky events
Tradition calendars

Your dates

Birthdays and anniversaries, saved in this browser only.

Manage your dates
Export a year

A year overview, monthly pages with room for notes, and sources. Uses the selected layers and America/New_York. Your dates are left out.

12 events

June 2020

America/New_York · Lunar phases & eclipses, Equinoxes & solstices, Retrograde periods, Thelemic feasts

May 11, 2020

May 11, 2020, 12:07 AM EDT – Sep 29, 2020, 1:06 AM EDT · Saturn retrograde

Complete station-to-station period · boundaries use a centred 12-hour speed estimate. Displayed minutes are approximate; station times can differ between ephemerides. The planet appears to move backward in geocentric ecliptic longitude between these two stations. It continues orbiting the Sun in its usual direction. This period excludes any astrological “shadow” dates.

https://github.com/cosinekitty/astronomy/blob/v2.1.19/source/js/README.md

May 13, 2020

May 13, 2020, 2:42 AM EDT – Jun 25, 2020, 2:49 AM EDT · Venus retrograde

Complete station-to-station period · boundaries use a centred 12-hour speed estimate. Displayed minutes are approximate; station times can differ between ephemerides. The planet appears to move backward in geocentric ecliptic longitude between these two stations. It continues orbiting the Sun in its usual direction. This period excludes any astrological “shadow” dates.

https://github.com/cosinekitty/astronomy/blob/v2.1.19/source/js/README.md

May 14, 2020

May 14, 2020, 10:33 AM EDT – Sep 12, 2020, 8:48 PM EDT · Jupiter retrograde

Complete station-to-station period · boundaries use a centred 12-hour speed estimate. Displayed minutes are approximate; station times can differ between ephemerides. The planet appears to move backward in geocentric ecliptic longitude between these two stations. It continues orbiting the Sun in its usual direction. This period excludes any astrological “shadow” dates.

https://github.com/cosinekitty/astronomy/blob/v2.1.19/source/js/README.md

June 5, 2020

3:12 PM EDT · Full Moon in Sagittarius

Geocentric tropical zodiac · calculated instant. Calculated Sun–Moon phase relationship. This is not a first-crescent visibility prediction.

https://github.com/cosinekitty/astronomy/blob/v2.1.19/source/js/README.md

3:24 PM EDT · Penumbral Lunar Eclipse in Sagittarius

Geocentric tropical zodiac · calculated instant. Global eclipse peak. This does not predict whether the eclipse is visible from your location.

https://github.com/cosinekitty/astronomy/blob/v2.1.19/source/js/README.md

June 13, 2020

2:24 AM EDT · Last Quarter Moon in Pisces

Geocentric tropical zodiac · calculated instant. Calculated Sun–Moon phase relationship. This is not a first-crescent visibility prediction.

https://github.com/cosinekitty/astronomy/blob/v2.1.19/source/js/README.md

June 18, 2020

Jun 18, 2020, 1:08 AM EDT – Jul 12, 2020, 4:20 AM EDT · Mercury retrograde

Complete station-to-station period · boundaries use a centred 12-hour speed estimate. Displayed minutes are approximate; station times can differ between ephemerides. The planet appears to move backward in geocentric ecliptic longitude between these two stations. It continues orbiting the Sun in its usual direction. This period excludes any astrological “shadow” dates.

https://github.com/cosinekitty/astronomy/blob/v2.1.19/source/js/README.md

June 20, 2020

5:43 PM EDT · June solstice

Astronomical instant. Calculated solar turning point. Seasonal names depend on hemisphere; this calendar uses the month name.

https://github.com/cosinekitty/astronomy/blob/v2.1.19/source/js/README.md#seasons

5:43 PM EDT · Rituals of the Elements and Feasts of the Times

Tradition attached to a calculated solar instant. The O.T.O. US Grand Lodge calendar associates these observances with the equinoxes and solstices.

https://oto-usa.org/thelema/calendar/

June 21, 2020

2:40 AM EDT · Annular Solar Eclipse in Cancer

Geocentric tropical zodiac · calculated instant. Global eclipse peak. This does not predict whether the eclipse is visible from your location.

https://github.com/cosinekitty/astronomy/blob/v2.1.19/source/js/README.md

2:42 AM EDT · New Moon in Cancer

Geocentric tropical zodiac · calculated instant. Calculated Sun–Moon phase relationship. This is not a first-crescent visibility prediction.

https://github.com/cosinekitty/astronomy/blob/v2.1.19/source/js/README.md

June 28, 2020

4:16 AM EDT · First Quarter Moon in Libra

Geocentric tropical zodiac · calculated instant. Calculated Sun–Moon phase relationship. This is not a first-crescent visibility prediction.

https://github.com/cosinekitty/astronomy/blob/v2.1.19/source/js/README.md

How this works

The lunar cycle runs between calculated conjunctions. The Hijri layer is the arithmetic civil calendar (Friday epoch, 30-year leap cycle); its labels change at midnight, though religious days begin at sunset, and it does not predict a first crescent or replace local announcements. The Chinese layer follows Hong Kong Observatory’s tables for 1901 through 2100 as civil dates, not converted to your time zone; HKO notes possible one-day differences for a few future dates. Chinese calendar details

Easter follows ecclesiastical tables, not the actual full moon. The Thelemic layer keeps the fixed March 20 feast apart from the astronomical equinox. Zodiac events use the seven classical planets and tropical signs; station times are estimates, not accurate to the minute.

Exports cover the selected layers as a fixed snapshot without alerts; your dates need their own checkbox, and importing overlapping files may duplicate entries. Retrograde periods keep both stations, and shadow periods are not included. Resh has its own local solar times and reminder export.

Apparent retrograde motion · NASA ↗
Lunar phases · USNO ↗
Islamic calendar methods · USNO ↗
Thelemic calendar · O.T.O. USGL ↗
Calendar reference chapter