How to check your own Buddha? I was born in1June 4th, 990. Last time, I heard that this can only be calculated according to the zodiac and constellation.

No, the moon is a horse, but a bodhisattva.

Mouse: Avalokitesvara is a cow; Avalokitesvara is a tiger; Avalokitesvara is a rabbit; Manjusri is a dragon; Pu Xian is a snake; Pu Xian is a horse; Buddha is a sheep; Tathagata is a monkey; Tathagata is a chicken; Ranasa, Harraca is a dog; Amitabha is a pig; Amitabha is a Buddha.