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 Tuesday, 30 September 2025: day of Mars
- Sunrise
- 07:59
- Sunset
- 19:41
- Next sunrise
- 08:01
A day hour lasts 59 min; a night hour, 1h 02m. Local time (Europe/Paris).
Day
- 1♂︎ Mars07:59 – 08:58
- 2☉︎ Sun08:58 – 09:56
- 3♀︎ Venus09:56 – 10:55
- 4☿︎ Mercury10:55 – 11:53
- 5☽︎ Moon11:53 – 12:52
- 6♄︎ Saturn12:52 – 13:50
- 7♃︎ Jupiter13:50 – 14:49
- 8♂︎ Mars14:49 – 15:47
- 9☉︎ Sun15:47 – 16:46
- 10♀︎ Venus16:46 – 17:44
- 11☿︎ Mercury17:44 – 18:43
- 12☽︎ Moon18:43 – 19:41
Night
- 1♄︎ Saturn19:41 – 20:43
- 2♃︎ Jupiter20:43 – 21:45
- 3♂︎ Mars21:45 – 22:46
- 4☉︎ Sun22:46 – 23:48
- 5♀︎ Venus23:48 – 00:50
- 6☿︎ Mercury00:50 – 01:51
- 7☽︎ Moon01:51 – 02:53
- 8♄︎ Saturn02:53 – 03:54
- 9♃︎ Jupiter03:54 – 04:56
- 10♂︎ Mars04:56 – 05:58
- 11☉︎ Sun05:58 – 06:59
- 12♀︎ Venus06:59 – 08:01
Other cities · France
Questions
How are the planetary hours calculated in Caen?
On Tuesday, 30 September 2025, the Sun rises at 07:59 and sets at 19:41: the day lasts 11h 42m, that is twelve day hours of 59 min. The night, until the next sunrise at 08:01, lasts 12h 19m: twelve night hours of 1h 02m.
Which planet rules the first hour that day?
Mars, from 07:59 to 08:58: 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.