Lunar mansion 21 of 28
Three Stars參
One of the seven mansions of the White Tiger of the West.
- Group
- White Tiger of the West
- Weekday planet
- Mercury
- Animal
- Ape
- Branch
- 申
- Building
- Good
參十星，一曰參伐，一曰大辰，一曰天市，一曰鈇鉞，主斬刈。
Jin Shu, Treatise on Astronomy
What it is
The axe of heaven, in charge of cutting down. These are the stars of Orion.
In the almanac
The almanac gives each day one mansion in a fixed cycle. Xie Ji Bian Fang Shu traces the day-by-day count to an old Western Regions text on the seven planets. The Building row is from the Yu Xia Ji, which rates each mansion for building work.
Sources Jin Shu, Treatise on Astronomy; Xie Ji Bian Fang Shu, vol. 1; Yu Xia Ji.