What constellation is leap May 30th 1996?

Constellations are divided according to the birthdays of the Gregorian calendar (new calendar, Gregorian calendar). 1May 1996, there was no leap. When is the birthday of 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)