Gregorian calendar:1May 2, 9771Saturday Taurus/Gemini
Lunar calendar: the fourth day of April in the fourth year of Ding Si.
Branch: Ding Siyi Wuyin
1977 May 2 1 is the demarcation date of constellation alternation, and the specific time to complete the alternation is12: 08+04:1977 May 2 12 14. People born before that belong to Taurus./.
Source: Hua Wang.