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 Wednesday, 8 October 2025: day of Mercury
- Sunrise
- 08:11
- Sunset
- 19:25
- Next sunrise
- 08:13
A day hour lasts 56 min; a night hour, 1h 04m. Local time (Europe/Paris).
Day
- 1☿︎ Mercury08:11 – 09:07
- 2☽︎ Moon09:07 – 10:03
- 3♄︎ Saturn10:03 – 11:00
- 4♃︎ Jupiter11:00 – 11:56
- 5♂︎ Mars11:56 – 12:52
- 6☉︎ Sun12:52 – 13:48
- 7♀︎ Venus13:48 – 14:44
- 8☿︎ Mercury14:44 – 15:40
- 9☽︎ Moon15:40 – 16:36
- 10♄︎ Saturn16:36 – 17:32
- 11♃︎ Jupiter17:32 – 18:29
- 12♂︎ Mars18:29 – 19:25
Night
- 1☉︎ Sun19:25 – 20:29
- 2♀︎ Venus20:29 – 21:33
- 3☿︎ Mercury21:33 – 22:37
- 4☽︎ Moon22:37 – 23:41
- 5♄︎ Saturn23:41 – 00:45
- 6♃︎ Jupiter00:45 – 01:49
- 7♂︎ Mars01:49 – 02:53
- 8☉︎ Sun02:53 – 03:57
- 9♀︎ Venus03:57 – 05:01
- 10☿︎ Mercury05:01 – 06:05
- 11☽︎ Moon06:05 – 07:09
- 12♄︎ Saturn07:09 – 08:13
Other cities · France
Questions
How are the planetary hours calculated in Caen?
On Wednesday, 8 October 2025, the Sun rises at 08:11 and sets at 19:25: the day lasts 11h 13m, that is twelve day hours of 56 min. The night, until the next sunrise at 08:13, lasts 12h 48m: twelve night hours of 1h 04m.
Which planet rules the first hour that day?
Mercury, from 08:11 to 09:07: 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.