Planetary hours
in Rueil-Malmaison.
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 Thursday, 17 December 2026: day of Jupiter
- Sunrise
- 08:39
- Sunset
- 16:55
- Next sunrise
- 08:40
A day hour lasts 41 min; a night hour, 1h 19m. Local time (Europe/Paris).
Day
- 1♃︎ Jupiter08:39 – 09:20
- 2♂︎ Mars09:20 – 10:02
- 3☉︎ Sun10:02 – 10:43
- 4♀︎ Venus10:43 – 11:24
- 5☿︎ Mercury11:24 – 12:05
- 6☽︎ Moon12:05 – 12:47
- 7♄︎ Saturn12:47 – 13:28
- 8♃︎ Jupiter13:28 – 14:09
- 9♂︎ Mars14:09 – 14:51
- 10☉︎ Sun14:51 – 15:32
- 11♀︎ Venus15:32 – 16:13
- 12☿︎ Mercury16:13 – 16:55
Night
- 1☽︎ Moon16:55 – 18:13
- 2♄︎ Saturn18:13 – 19:32
- 3♃︎ Jupiter19:32 – 20:51
- 4♂︎ Mars20:51 – 22:10
- 5☉︎ Sun22:10 – 23:28
- 6♀︎ Venus23:28 – 00:47
- 7☿︎ Mercury00:47 – 02:06
- 8☽︎ Moon02:06 – 03:25
- 9♄︎ Saturn03:25 – 04:43
- 10♃︎ Jupiter04:43 – 06:02
- 11♂︎ Mars06:02 – 07:21
- 12☉︎ Sun07:21 – 08:40
Other cities · France
Questions
How are the planetary hours calculated in Rueil-Malmaison?
On Thursday, 17 December 2026, the Sun rises at 08:39 and sets at 16:55: the day lasts 8h 16m, that is twelve day hours of 41 min. The night, until the next sunrise at 08:40, lasts 15h 45m: twelve night hours of 1h 19m.
Which planet rules the first hour that day?
Jupiter, from 08:39 to 09:20: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mars, the Sun, Venus, Mercury, the Moon, Saturn, then Jupiter 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.