Planetary hours
in Caen.
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, 4 October 2025: day of Saturn
- Sunrise
- 08:05
- Sunset
- 19:33
- Next sunrise
- 08:07
A day hour lasts 57 min; a night hour, 1h 03m. Local time (Europe/Paris).
Day
- 1♄︎ Saturn08:05 – 09:03
- 2♃︎ Jupiter09:03 – 10:00
- 3♂︎ Mars10:00 – 10:57
- 4☉︎ Sun10:57 – 11:55
- 5♀︎ Venus11:55 – 12:52
- 6☿︎ Mercury12:52 – 13:49
- 7☽︎ Moon13:49 – 14:46
- 8♄︎ Saturn14:46 – 15:44
- 9♃︎ Jupiter15:44 – 16:41
- 10♂︎ Mars16:41 – 17:38
- 11☉︎ Sun17:38 – 18:36
- 12♀︎ Venus18:36 – 19:33
Night
- 1☿︎ Mercury19:33 – 20:36
- 2☽︎ Moon20:36 – 21:39
- 3♄︎ Saturn21:39 – 22:41
- 4♃︎ Jupiter22:41 – 23:44
- 5♂︎ Mars23:44 – 00:47
- 6☉︎ Sun00:47 – 01:50
- 7♀︎ Venus01:50 – 02:53
- 8☿︎ Mercury02:53 – 03:56
- 9☽︎ Moon03:56 – 04:58
- 10♄︎ Saturn04:58 – 06:01
- 11♃︎ Jupiter06:01 – 07:04
- 12♂︎ Mars07:04 – 08:07
Other cities · France
Questions
How are the planetary hours calculated in Caen?
On Saturday, 4 October 2025, the Sun rises at 08:05 and sets at 19:33: the day lasts 11h 28m, that is twelve day hours of 57 min. The night, until the next sunrise at 08:07, lasts 12h 34m: twelve night hours of 1h 03m.
Which planet rules the first hour that day?
Saturn, from 08:05 to 09:03: 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.