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 Sunday, 14 September 2025: day of the Sun
- Sunrise
- 07:27
- Sunset
- 20:06
- Next sunrise
- 07:28
A day hour lasts 1h 03m; a night hour, 57 min. Local time (Europe/Paris).
Day
- 1☉︎ Sun07:27 – 08:30
- 2♀︎ Venus08:30 – 09:33
- 3☿︎ Mercury09:33 – 10:37
- 4☽︎ Moon10:37 – 11:40
- 5♄︎ Saturn11:40 – 12:43
- 6♃︎ Jupiter12:43 – 13:46
- 7♂︎ Mars13:46 – 14:50
- 8☉︎ Sun14:50 – 15:53
- 9♀︎ Venus15:53 – 16:56
- 10☿︎ Mercury16:56 – 18:00
- 11☽︎ Moon18:00 – 19:03
- 12♄︎ Saturn19:03 – 20:06
Night
- 1♃︎ Jupiter20:06 – 21:03
- 2♂︎ Mars21:03 – 22:00
- 3☉︎ Sun22:00 – 22:57
- 4♀︎ Venus22:57 – 23:53
- 5☿︎ Mercury23:53 – 00:50
- 6☽︎ Moon00:50 – 01:47
- 7♄︎ Saturn01:47 – 02:44
- 8♃︎ Jupiter02:44 – 03:41
- 9♂︎ Mars03:41 – 04:38
- 10☉︎ Sun04:38 – 05:35
- 11♀︎ Venus05:35 – 06:31
- 12☿︎ Mercury06:31 – 07:28
Other cities · France
Questions
How are the planetary hours calculated in Saint-Quentin-en-Yvelines?
On Sunday, 14 September 2025, the Sun rises at 07:27 and sets at 20:06: the day lasts 12h 39m, that is twelve day hours of 1h 03m. The night, until the next sunrise at 07:28, lasts 11h 22m: twelve night hours of 57 min.
Which planet rules the first hour that day?
The Sun, from 07:27 to 08:30: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Venus, Mercury, the Moon, Saturn, Jupiter, Mars, then the Sun 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.