Planetary hours
in Le Mans.
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, 22 December 2025: day of the Moon
- Sunrise
- 08:46
- Sunset
- 17:09
- Next sunrise
- 08:47
A day hour lasts 42 min; a night hour, 1h 18m. Local time (Europe/Paris).
Day
- 1☽︎ Moon08:46 – 09:28
- 2♄︎ Saturn09:28 – 10:10
- 3♃︎ Jupiter10:10 – 10:52
- 4♂︎ Mars10:52 – 11:34
- 5☉︎ Sun11:34 – 12:16
- 6♀︎ Venus12:16 – 12:57
- 7☿︎ Mercury12:57 – 13:39
- 8☽︎ Moon13:39 – 14:21
- 9♄︎ Saturn14:21 – 15:03
- 10♃︎ Jupiter15:03 – 15:45
- 11♂︎ Mars15:45 – 16:27
- 12☉︎ Sun16:27 – 17:09
Night
- 1♀︎ Venus17:09 – 18:27
- 2☿︎ Mercury18:27 – 19:45
- 3☽︎ Moon19:45 – 21:03
- 4♄︎ Saturn21:03 – 22:21
- 5♃︎ Jupiter22:21 – 23:39
- 6♂︎ Mars23:39 – 00:58
- 7☉︎ Sun00:58 – 02:16
- 8♀︎ Venus02:16 – 03:34
- 9☿︎ Mercury03:34 – 04:52
- 10☽︎ Moon04:52 – 06:10
- 11♄︎ Saturn06:10 – 07:29
- 12♃︎ Jupiter07:29 – 08:47
Other cities · France
Questions
How are the planetary hours calculated in Le Mans?
On Monday, 22 December 2025, the Sun rises at 08:46 and sets at 17:09: the day lasts 8h 22m, that is twelve day hours of 42 min. The night, until the next sunrise at 08:47, lasts 15h 38m: twelve night hours of 1h 18m.
Which planet rules the first hour that day?
The Moon, from 08:46 to 09:28: 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.