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 Saturday, 17 January 2026: day of Saturn
- Sunrise
- 08:42
- Sunset
- 17:36
- Next sunrise
- 08:41
A day hour lasts 44 min; a night hour, 1h 15m. Local time (Europe/Paris).
Day
- 1♄︎ Saturn08:42 – 09:27
- 2♃︎ Jupiter09:27 – 10:11
- 3♂︎ Mars10:11 – 10:56
- 4☉︎ Sun10:56 – 11:40
- 5♀︎ Venus11:40 – 12:25
- 6☿︎ Mercury12:25 – 13:09
- 7☽︎ Moon13:09 – 13:53
- 8♄︎ Saturn13:53 – 14:38
- 9♃︎ Jupiter14:38 – 15:22
- 10♂︎ Mars15:22 – 16:07
- 11☉︎ Sun16:07 – 16:51
- 12♀︎ Venus16:51 – 17:36
Night
- 1☿︎ Mercury17:36 – 18:51
- 2☽︎ Moon18:51 – 20:07
- 3♄︎ Saturn20:07 – 21:22
- 4♃︎ Jupiter21:22 – 22:38
- 5♂︎ Mars22:38 – 23:53
- 6☉︎ Sun23:53 – 01:09
- 7♀︎ Venus01:09 – 02:24
- 8☿︎ Mercury02:24 – 03:40
- 9☽︎ Moon03:40 – 04:55
- 10♄︎ Saturn04:55 – 06:11
- 11♃︎ Jupiter06:11 – 07:26
- 12♂︎ Mars07:26 – 08:41
Other cities · France
Questions
How are the planetary hours calculated in Le Mans?
On Saturday, 17 January 2026, the Sun rises at 08:42 and sets at 17:36: the day lasts 8h 54m, that is twelve day hours of 44 min. The night, until the next sunrise at 08:41, lasts 15h 06m: twelve night hours of 1h 15m.
Which planet rules the first hour that day?
Saturn, from 08:42 to 09:27: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Jupiter, Mars, the Sun, Venus, Mercury, the Moon, then Saturn 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.