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 Tuesday, 22 December 2026: day of Mars
- Sunrise
- 06:35
- Sunset
- 17:17
- Next sunrise
- 06:36
A day hour lasts 53 min; a night hour, 1h 07m. Local time (Asia/Taipei).
Day
- 1♂︎ Mars06:35 – 07:29
- 2☉︎ Sun07:29 – 08:22
- 3♀︎ Venus08:22 – 09:16
- 4☿︎ Mercury09:16 – 10:09
- 5☽︎ Moon10:09 – 11:03
- 6♄︎ Saturn11:03 – 11:56
- 7♃︎ Jupiter11:56 – 12:50
- 8♂︎ Mars12:50 – 13:43
- 9☉︎ Sun13:43 – 14:36
- 10♀︎ Venus14:36 – 15:30
- 11☿︎ Mercury15:30 – 16:23
- 12☽︎ Moon16:23 – 17:17
Night
- 1♄︎ Saturn17:17 – 18:23
- 2♃︎ Jupiter18:23 – 19:30
- 3♂︎ Mars19:30 – 20:37
- 4☉︎ Sun20:37 – 21:43
- 5♀︎ Venus21:43 – 22:50
- 6☿︎ Mercury22:50 – 23:56
- 7☽︎ Moon23:56 – 01:03
- 8♄︎ Saturn01:03 – 02:10
- 9♃︎ Jupiter02:10 – 03:16
- 10♂︎ Mars03:16 – 04:23
- 11☉︎ Sun04:23 – 05:29
- 12♀︎ Venus05:29 – 06:36
Other cities · Taiwan
Questions
How are the planetary hours calculated in Chiayi City?
On Tuesday, 22 December 2026, the Sun rises at 06:35 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?
Mars, from 06:35 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 Sun, Venus, Mercury, the Moon, Saturn, Jupiter, then Mars 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.