What calendar is the constellation based on (lunar calendar and solar calendar)

Because the constellation originated from abroad, it is considered as Gregorian calendar, and if it is zodiac, it is considered as lunar calendar.

The following is the constellation of each month:

Capricorn12/22-119

Aquarius 1/20-2/ 18

Pisces 2/ 19-3/20

Aries 3/2 1-4/20

Taurus 4/2 1-5/20

Gemini 5/2 1-6/2 1

Cancer June 22-July 22

Leo July 23 to August 22

Virgo August 23-September 22

Libra 9/23- 10/22

Scorpio10/23-11/21

Sagittarius11/22-12/21

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hope this helps