Planetary hours
in Chiayi City.
The day, from sunrise to sunset, is cut into twelve equal hours; so is the night, from sunset to the next sunrise. Each hour carries a planet, in the Chaldean order. A planetary hour therefore lasts 60 minutes only at the equinoxes: it all depends on the date and the city. Here are the exact hours for your city; what you do with them is up to you.
Planetary day of Wednesday, 23 December 2026: day of Mercury
- Sunrise
- 06:36
- Sunset
- 17:17
- Next sunrise
- 06:36
A day hour lasts 53 min; a night hour, 1h 07m. Local time (Asia/Taipei).
Day
- 1☿︎ Mercury06:36 – 07:29
- 2☽︎ Moon07:29 – 08:23
- 3♄︎ Saturn08:23 – 09:16
- 4♃︎ Jupiter09:16 – 10:10
- 5♂︎ Mars10:10 – 11:03
- 6☉︎ Sun11:03 – 11:57
- 7♀︎ Venus11:57 – 12:50
- 8☿︎ Mercury12:50 – 13:44
- 9☽︎ Moon13:44 – 14:37
- 10♄︎ Saturn14:37 – 15:30
- 11♃︎ Jupiter15:30 – 16:24
- 12♂︎ Mars16:24 – 17:17
Night
- 1☉︎ Sun17:17 – 18:24
- 2♀︎ Venus18:24 – 19:30
- 3☿︎ Mercury19:30 – 20:37
- 4☽︎ Moon20:37 – 21:44
- 5♄︎ Saturn21:44 – 22:50
- 6♃︎ Jupiter22:50 – 23:57
- 7♂︎ Mars23:57 – 01:03
- 8☉︎ Sun01:03 – 02:10
- 9♀︎ Venus02:10 – 03:17
- 10☿︎ Mercury03:17 – 04:23
- 11☽︎ Moon04:23 – 05:30
- 12♄︎ Saturn05:30 – 06:36
Other cities · Taiwan
Questions
How are the planetary hours calculated in Chiayi City?
On Wednesday, 23 December 2026, the Sun rises at 06:36 and sets at 17:17: the day lasts 10h 41m, that is twelve day hours of 53 min. The night, until the next sunrise at 06:36, lasts 13h 19m: twelve night hours of 1h 07m.
Which planet rules the first hour that day?
Mercury, from 06:36 to 07:29: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Moon, Saturn, Jupiter, Mars, the Sun, Venus, then Mercury again.
Today’s sky, on YOUR chart
Planetary hours are the same for everyone in a city. Your chart is yours alone: every morning AstroXP crosses the real sky with your birth, to the minute, and tells you what time it plays out for you.
On a computer? Scan this code with your phone.
Calendars
Sunrise and sunset calculated for the city (the Sun’s centre 0°50′ below the horizon: refraction and semi-diameter), local time of the city’s time zone. Checked against astronomy-engine, the app’s engine.