77 10 year 10 20th is the lunar calendar.

77 years 65438+1October 20th, is the Gregorian calendar1977165438+1October 30th.

Gregorian calendar (Gregorian calendar):1977165438+1October 30th.

Lunar calendar (Lunar calendar): 19771October 20th (Xinmao Day, Xinhai Month, Ding Sinian)

Age: 38 years old

Nominal age: 39 years old

Zodiac: snake

Constellation: Sagittarius