Planetary hours
in Aulnay-sous-Bois.
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, 9 August 2025: day of Saturn
- Sunrise
- 06:34
- Sunset
- 21:15
- Next sunrise
- 06:35
A day hour lasts 1h 13m; a night hour, 47 min. Local time (Europe/Paris).
Day
- 1♄︎ Saturn06:34 – 07:47
- 2♃︎ Jupiter07:47 – 09:01
- 3♂︎ Mars09:01 – 10:14
- 4☉︎ Sun10:14 – 11:28
- 5♀︎ Venus11:28 – 12:41
- 6☿︎ Mercury12:41 – 13:55
- 7☽︎ Moon13:55 – 15:08
- 8♄︎ Saturn15:08 – 16:21
- 9♃︎ Jupiter16:21 – 17:35
- 10♂︎ Mars17:35 – 18:48
- 11☉︎ Sun18:48 – 20:02
- 12♀︎ Venus20:02 – 21:15
Night
- 1☿︎ Mercury21:15 – 22:02
- 2☽︎ Moon22:02 – 22:49
- 3♄︎ Saturn22:49 – 23:35
- 4♃︎ Jupiter23:35 – 00:22
- 5♂︎ Mars00:22 – 01:09
- 6☉︎ Sun01:09 – 01:55
- 7♀︎ Venus01:55 – 02:42
- 8☿︎ Mercury02:42 – 03:29
- 9☽︎ Moon03:29 – 04:15
- 10♄︎ Saturn04:15 – 05:02
- 11♃︎ Jupiter05:02 – 05:49
- 12♂︎ Mars05:49 – 06:35
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Questions
How are the planetary hours calculated in Aulnay-sous-Bois?
On Saturday, 9 August 2025, the Sun rises at 06:34 and sets at 21:15: the day lasts 14h 42m, that is twelve day hours of 1h 13m. The night, until the next sunrise at 06:35, lasts 9h 20m: twelve night hours of 47 min.
Which planet rules the first hour that day?
Saturn, from 06:34 to 07:47: 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.