Gemini constellation

Gemini is one of the 88 constellations, and it represents the twins. It is highest in the sky at midnight around 6 January, and its whole figure rises above the horizon from 90°N to 56°S.

Gemini at a glance

Represents
the twins
Highest at midnight
6 January
Highest at 9 pm
20 February
Seen whole from
90°N to 56°S
Brightest star
Pollux
Stars in the figure
17 stars
Origin
Ptolemy's list, 2nd century
Zodiac sign
Gemini

When to see Gemini

Gemini is highest in the sky at midnight around 6 January and at 9 pm around 20 February. Each month it is highest about two hours earlier than the month before.

The times are local solar time. Clocks on summer time or daylight saving time read about one hour later.

When Gemini is highest each month
DateHighest at
15 January11:20 pm
15 February9:20 pm
15 March7:30 pm
15 April5:30 pm
15 May3:30 pm
15 June1:30 pm
15 July11:30 am
15 August9:30 am
15 September7:20 am
15 October5:30 am
15 November3:20 am
15 December1:30 am

Where to look for Gemini

From the northern hemisphere

From 40°N, Gemini rises in the east and sets in the west. It is highest around midnight on 6 January, 74° above the southern horizon.

From the southern hemisphere

From 35°S, Gemini rises in the east and sets in the west. It is highest around midnight on 6 January, 31° above the northern horizon.

Brightest stars in Gemini

The brightest stars in Gemini
StarMagnitude
Pollux1.16
Castor1.58
Alhena1.93

Meteor showers from Gemini

The meteors of these showers seem to come from a point in Gemini, called the radiant.

Meteor showers whose radiant is in Gemini
ShowerPeakZenithal hourly rate
GeminidsAround 14 December150

Gemini in myth and history

The twins are Castor and Pollux of Greek myth. When Castor died, Pollux, who was immortal, asked Zeus to let him share his life with his brother, and Zeus placed the two together in the sky.

Gemini is one of the 48 constellations that the astronomer Ptolemy listed in the 2nd century.

Gemini and the zodiac

In 2026, the Sun is in front of the stars of Gemini from 22 June to 21 July. The zodiac sign Gemini covers other dates, because astrologers split the year into 12 equal signs that start at the March equinox.

Gemini zodiac sign

Constellations next to Gemini

Find Gemini in your sky

Questions about Gemini