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, 16 August 2025: day of Saturn
- Sunrise
- 06:46
- Sunset
- 21:04
- Next sunrise
- 06:47
A day hour lasts 1h 12m; a night hour, 49 min. Local time (Europe/Paris).
Day
- 1♄︎ Saturn06:46 – 07:57
- 2♃︎ Jupiter07:57 – 09:09
- 3♂︎ Mars09:09 – 10:21
- 4☉︎ Sun10:21 – 11:32
- 5♀︎ Venus11:32 – 12:44
- 6☿︎ Mercury12:44 – 13:55
- 7☽︎ Moon13:55 – 15:07
- 8♄︎ Saturn15:07 – 16:18
- 9♃︎ Jupiter16:18 – 17:30
- 10♂︎ Mars17:30 – 18:41
- 11☉︎ Sun18:41 – 19:53
- 12♀︎ Venus19:53 – 21:04
Night
- 1☿︎ Mercury21:04 – 21:53
- 2☽︎ Moon21:53 – 22:42
- 3♄︎ Saturn22:42 – 23:30
- 4♃︎ Jupiter23:30 – 00:19
- 5♂︎ Mars00:19 – 01:07
- 6☉︎ Sun01:07 – 01:56
- 7♀︎ Venus01:56 – 02:44
- 8☿︎ Mercury02:44 – 03:33
- 9☽︎ Moon03:33 – 04:22
- 10♄︎ Saturn04:22 – 05:10
- 11♃︎ Jupiter05:10 – 05:59
- 12♂︎ Mars05:59 – 06:47
Other cities · France
Questions
How are the planetary hours calculated in Saint-Quentin-en-Yvelines?
On Saturday, 16 August 2025, the Sun rises at 06:46 and sets at 21:04: the day lasts 14h 19m, that is twelve day hours of 1h 12m. The night, until the next sunrise at 06:47, lasts 9h 43m: twelve night hours of 49 min.
Which planet rules the first hour that day?
Saturn, from 06:46 to 07:57: 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.