Planetary hours
in Saint-Quentin-en-Yvelines.
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, 6 December 2025: day of Saturn
- Sunrise
- 08:29
- Sunset
- 16:56
- Next sunrise
- 08:30
A day hour lasts 42 min; a night hour, 1h 18m. Local time (Europe/Paris).
Day
- 1♄︎ Saturn08:29 – 09:11
- 2♃︎ Jupiter09:11 – 09:54
- 3♂︎ Mars09:54 – 10:36
- 4☉︎ Sun10:36 – 11:18
- 5♀︎ Venus11:18 – 12:00
- 6☿︎ Mercury12:00 – 12:42
- 7☽︎ Moon12:42 – 13:25
- 8♄︎ Saturn13:25 – 14:07
- 9♃︎ Jupiter14:07 – 14:49
- 10♂︎ Mars14:49 – 15:31
- 11☉︎ Sun15:31 – 16:13
- 12♀︎ Venus16:13 – 16:56
Night
- 1☿︎ Mercury16:56 – 18:13
- 2☽︎ Moon18:13 – 19:31
- 3♄︎ Saturn19:31 – 20:49
- 4♃︎ Jupiter20:49 – 22:07
- 5♂︎ Mars22:07 – 23:25
- 6☉︎ Sun23:25 – 00:43
- 7♀︎ Venus00:43 – 02:01
- 8☿︎ Mercury02:01 – 03:19
- 9☽︎ Moon03:19 – 04:37
- 10♄︎ Saturn04:37 – 05:55
- 11♃︎ Jupiter05:55 – 07:12
- 12♂︎ Mars07:12 – 08:30
Other cities · France
Questions
How are the planetary hours calculated in Saint-Quentin-en-Yvelines?
On Saturday, 6 December 2025, the Sun rises at 08:29 and sets at 16:56: the day lasts 8h 26m, that is twelve day hours of 42 min. The night, until the next sunrise at 08:30, lasts 15h 35m: twelve night hours of 1h 18m.
Which planet rules the first hour that day?
Saturn, from 08:29 to 09:11: 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.