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 Wednesday, 30 July 2025: day of Mercury
- Sunrise
- 06:23
- Sunset
- 21:32
- Next sunrise
- 06:24
A day hour lasts 1h 16m; a night hour, 44 min. Local time (Europe/Paris).
Day
- 1☿︎ Mercury06:23 – 07:38
- 2☽︎ Moon07:38 – 08:54
- 3♄︎ Saturn08:54 – 10:10
- 4♃︎ Jupiter10:10 – 11:26
- 5♂︎ Mars11:26 – 12:42
- 6☉︎ Sun12:42 – 13:57
- 7♀︎ Venus13:57 – 15:13
- 8☿︎ Mercury15:13 – 16:29
- 9☽︎ Moon16:29 – 17:45
- 10♄︎ Saturn17:45 – 19:01
- 11♃︎ Jupiter19:01 – 20:16
- 12♂︎ Mars20:16 – 21:32
Night
- 1☉︎ Sun21:32 – 22:17
- 2♀︎ Venus22:17 – 23:01
- 3☿︎ Mercury23:01 – 23:45
- 4☽︎ Moon23:45 – 00:29
- 5♄︎ Saturn00:29 – 01:14
- 6♃︎ Jupiter01:14 – 01:58
- 7♂︎ Mars01:58 – 02:42
- 8☉︎ Sun02:42 – 03:27
- 9♀︎ Venus03:27 – 04:11
- 10☿︎ Mercury04:11 – 04:55
- 11☽︎ Moon04:55 – 05:40
- 12♄︎ Saturn05:40 – 06:24
Other cities · France
Questions
How are the planetary hours calculated in Saint-Quentin-en-Yvelines?
On Wednesday, 30 July 2025, the Sun rises at 06:23 and sets at 21:32: the day lasts 15h 10m, that is twelve day hours of 1h 16m. The night, until the next sunrise at 06:24, lasts 8h 52m: twelve night hours of 44 min.
Which planet rules the first hour that day?
Mercury, from 06:23 to 07:38: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Moon, Saturn, Jupiter, Mars, the Sun, Venus, then Mercury 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.