When is Bingwu? What time is bingwu?

At noon, it is 1 1 to 13, and at noon it is 1 1 to 13. The ancients divided the time of a day into "heavenly stems and earthly branches", among which there were ten days of dryness, namely fingernail, b, c, d, e, self, g, Xin, nonyl and decyl.

The twelve earthly branches refer to Zi, Ugly, Yin, Mao, Chen, Sun, Noon, Wei, Shen, You and Cheng Hai respectively. Among them, twelve earthly branches are equivalent to 24 hours, and each earthly branch is equivalent to 2 hours.