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The changing sky

The sky on 21 January 1900

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

1°02′

The Sun placement provides the seasonal zodiac reference.

Moon

Libra

3°24′

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 1900-01-21T12:00:00.000Z
BodySignDegreeMotion
SunAquarius1°02′Direct
MoonLibra3°24′Direct
MercuryCapricorn18°31′Direct
VenusPisces1°45′Direct
MarsCapricorn29°46′Direct
JupiterSagittarius4°52′Direct
SaturnCapricorn0°00′Direct
UranusSagittarius11°10′Direct
NeptuneGemini24°42′Retrograde
PlutoGemini14°56′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 2026-11-07T23:45:30.912Z.

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 An archived page uses noon UTC as a shared reference.