When did the time adjustment of the thirteen constellations begin?

After the year 2000, our starry sky changed, and the dates of the constellations were different. The following is a statement of the new date:

Aries update date 04. 19. ~ 05. 13 original date 03.2 1. ~ 04.20

Taurus update date 05. 14. ~ 06.20 Original date 04.2 1. ~ 05.438+0.

Gemini update date 06.2 1. ~ 07. 19 Original date 05.22. ~ 06.22.

Cancer update date 07.20. ~ 08. 19 Original date 06.23. ~ 07.23.

Leo update date 08.20. ~ 09. 15 Original date 07.24. ~ 08.23.

Virgo update date 09. 16. ~ 10.30 original date 08.24. ~ 09.23.

Libra update date 10.3 1. ~ 1 1.22 Original date 09.24. ~ 10.23.

Scorpio update date 1 1.23. ~ 1 1.29 Original date 10.24. ~ 1 1.22

Ophiuchus update date 1 1.30. ~ 12.438+07.

Sagittarius update date 12. 18. ~ 0 1. 18 Original date 1 1.23. ~ 12.2 1.

Capricorn update date 0 1. 19. ~ 02. 15 Original date 12.22. ~ 0 1.20.

Aquarius update date 02. 16. ~ 03. 1 1 original date 0 1.2 1. ~ 02. 19.

Pisces update date 03. 12. ~ 04. 18 Original date 02.20. ~ 03.20.