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The changing sky

The sky on 21 January 1917

Planetary positions in the tropical zodiac. These are shared sky conditions; a personal transit also depends on your birth chart.

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Positions at · Daily reference at noon UTC

Sun

Aquarius

0°54′

The Sun placement provides the seasonal zodiac reference.

Moon

Capricorn

5°16′

The Moon placement changes through the day. The time shown belongs to this snapshot.

The full snapshot

Where the planets are

Calculation methods ↗
Tropical planetary positions at 1917-01-21T12:00:00.000Z
BodySignDegreeMotion
SunAquarius0°54′Direct
MoonCapricorn5°16′Direct
MercuryCapricorn25°45′Retrograde
VenusCapricorn7°32′Direct
MarsAquarius9°24′Direct
JupiterAries27°05′Direct
SaturnCancer26°50′Retrograde
UranusAquarius18°38′Direct
NeptuneLeo3°34′Retrograde
PlutoCancer2°51′Retrograde

See Moon phases and the lunar calendar

What retrograde describes

A retrograde label means the planet's zodiac longitude is decreasing from Earth's viewpoint. It describes apparent motion, not a prediction about your day.

Explore retrograde planets, stations and shadows

Make the comparison personal

Your birth chart provides the natal placements used for a personal transit comparison. A sky snapshot alone cannot establish which contacts apply to you.

Compare with a birth chart

Calculation details

apparent geocentric ecliptic of date · tropical zodiac

Ephemeris: astronomy-engine 2.1.19. Computed 2026-11-03T18:59:56.600Z.

Positions use UTC. Your local calendar date can differ near midnight. An archived page uses noon UTC as a shared reference.