What is the constellation on the leap year when the dragon looks up?

Constellations are divided according to the Gregorian calendar (new calendar, Gregorian calendar). What is the specific year or birthday of the Gregorian calendar?

Aries (03/2 1-04/20)

Taurus (04/2 1-05/20)

Gemini

Cancer (22 June 2006-22 July 2007)

Leo (07/23-08/22)

Virgo (08/23-09/22)

Libra (09/23- 10/23)

Scorpio (10/24-11/22)

Sagittarius (11/23-12/21)

Capricorn (12/22-0119)

Water bottle: 0 1/ 20- 02/ 18

Pisces (02/ 19- 03/20)