What time is a in the perpetual calendar?

Time division:-01:00 before 23: 00; Clown: before 0 1: 00-03: 00;

Yin Shi: Before 03: 00-05: 00; Shi Mao: Before 05: 00-07: 00;

Chen Shi: Before 07: 00-09: 00; Shi Si: before 09: 00-11:00;

Before noon:11:00-13: 00; No time:1before 3: 00-15: 00;

Application time: before 15: 00-17: 00; Unitary time:1before 7: 00-19: 00;

Time: before 19: 00-2 1: 00; Shihai: Before 2 1 o'clock to 23: 00.