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 Monday, 21 December 2026: day of the Moon
- Sunrise
- 06:35
- Sunset
- 17:16
- Next sunrise
- 06:35
A day hour lasts 53 min; a night hour, 1h 07m. Local time (Asia/Taipei).
Day
- 1☽︎ Moon06:35 – 07:28
- 2♄︎ Saturn07:28 – 08:22
- 3♃︎ Jupiter08:22 – 09:15
- 4♂︎ Mars09:15 – 10:09
- 5☉︎ Sun10:09 – 11:02
- 6♀︎ Venus11:02 – 11:56
- 7☿︎ Mercury11:56 – 12:49
- 8☽︎ Moon12:49 – 13:43
- 9♄︎ Saturn13:43 – 14:36
- 10♃︎ Jupiter14:36 – 15:29
- 11♂︎ Mars15:29 – 16:23
- 12☉︎ Sun16:23 – 17:16
Night
- 1♀︎ Venus17:16 – 18:23
- 2☿︎ Mercury18:23 – 19:29
- 3☽︎ Moon19:29 – 20:36
- 4♄︎ Saturn20:36 – 21:43
- 5♃︎ Jupiter21:43 – 22:49
- 6♂︎ Mars22:49 – 23:56
- 7☉︎ Sun23:56 – 01:02
- 8♀︎ Venus01:02 – 02:09
- 9☿︎ Mercury02:09 – 03:16
- 10☽︎ Moon03:16 – 04:22
- 11♄︎ Saturn04:22 – 05:29
- 12♃︎ Jupiter05:29 – 06:35
Other cities · Taiwan
Questions
How are the planetary hours calculated in Chiayi City?
On Monday, 21 December 2026, the Sun rises at 06:35 and sets at 17:16: the day lasts 10h 41m, that is twelve day hours of 53 min. The night, until the next sunrise at 06:35, lasts 13h 19m: twelve night hours of 1h 07m.
Which planet rules the first hour that day?
The Moon, from 06:35 to 07:28: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Saturn, Jupiter, Mars, the Sun, Venus, Mercury, then the Moon 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.