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 Tuesday, 30 September 2025: day of Mars
- Sunrise
- 07:50
- Sunset
- 19:32
- Next sunrise
- 07:51
A day hour lasts 59 min; a night hour, 1h 02m. Local time (Europe/Paris).
Day
- 1♂︎ Mars07:50 – 08:48
- 2☉︎ Sun08:48 – 09:47
- 3♀︎ Venus09:47 – 10:45
- 4☿︎ Mercury10:45 – 11:44
- 5☽︎ Moon11:44 – 12:42
- 6♄︎ Saturn12:42 – 13:41
- 7♃︎ Jupiter13:41 – 14:39
- 8♂︎ Mars14:39 – 15:38
- 9☉︎ Sun15:38 – 16:37
- 10♀︎ Venus16:37 – 17:35
- 11☿︎ Mercury17:35 – 18:34
- 12☽︎ Moon18:34 – 19:32
Night
- 1♄︎ Saturn19:32 – 20:34
- 2♃︎ Jupiter20:34 – 21:35
- 3♂︎ Mars21:35 – 22:37
- 4☉︎ Sun22:37 – 23:38
- 5♀︎ Venus23:38 – 00:40
- 6☿︎ Mercury00:40 – 01:42
- 7☽︎ Moon01:42 – 02:43
- 8♄︎ Saturn02:43 – 03:45
- 9♃︎ Jupiter03:45 – 04:46
- 10♂︎ Mars04:46 – 05:48
- 11☉︎ Sun05:48 – 06:49
- 12♀︎ Venus06:49 – 07:51
Other cities · France
Questions
How are the planetary hours calculated in Saint-Quentin-en-Yvelines?
On Tuesday, 30 September 2025, the Sun rises at 07:50 and sets at 19:32: the day lasts 11h 43m, that is twelve day hours of 59 min. The night, until the next sunrise at 07:51, lasts 12h 19m: twelve night hours of 1h 02m.
Which planet rules the first hour that day?
Mars, from 07:50 to 08:48: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Sun, Venus, Mercury, the Moon, Saturn, Jupiter, then Mars 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.