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 Wednesday, 1 October 2025: day of Mercury
- Sunrise
- 07:58
- Sunset
- 19:38
- Next sunrise
- 07:59
A day hour lasts 58 min; a night hour, 1h 02m. Local time (Europe/Paris).
Day
- 1☿︎ Mercury07:58 – 08:56
- 2☽︎ Moon08:56 – 09:55
- 3♄︎ Saturn09:55 – 10:53
- 4♃︎ Jupiter10:53 – 11:51
- 5♂︎ Mars11:51 – 12:50
- 6☉︎ Sun12:50 – 13:48
- 7♀︎ Venus13:48 – 14:46
- 8☿︎ Mercury14:46 – 15:44
- 9☽︎ Moon15:44 – 16:43
- 10♄︎ Saturn16:43 – 17:41
- 11♃︎ Jupiter17:41 – 18:39
- 12♂︎ Mars18:39 – 19:38
Night
- 1☉︎ Sun19:38 – 20:39
- 2♀︎ Venus20:39 – 21:41
- 3☿︎ Mercury21:41 – 22:43
- 4☽︎ Moon22:43 – 23:45
- 5♄︎ Saturn23:45 – 00:47
- 6♃︎ Jupiter00:47 – 01:49
- 7♂︎ Mars01:49 – 02:50
- 8☉︎ Sun02:50 – 03:52
- 9♀︎ Venus03:52 – 04:54
- 10☿︎ Mercury04:54 – 05:56
- 11☽︎ Moon05:56 – 06:58
- 12♄︎ Saturn06:58 – 07:59
Other cities · France
Questions
How are the planetary hours calculated in Le Mans?
On Wednesday, 1 October 2025, the Sun rises at 07:58 and sets at 19:38: the day lasts 11h 40m, that is twelve day hours of 58 min. The night, until the next sunrise at 07:59, lasts 12h 22m: twelve night hours of 1h 02m.
Which planet rules the first hour that day?
Mercury, from 07:58 to 08:56: 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.