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, 4 August 2026: day of Mars
- Sunrise
- 06:37
- Sunset
- 21:36
- Next sunrise
- 06:39
A day hour lasts 1h 15m; a night hour, 45 min. Local time (Europe/Paris).
Day
- 1♂︎ Mars06:37 – 07:52
- 2☉︎ Sun07:52 – 09:07
- 3♀︎ Venus09:07 – 10:22
- 4☿︎ Mercury10:22 – 11:37
- 5☽︎ Moon11:37 – 12:52
- 6♄︎ Saturn12:52 – 14:07
- 7♃︎ Jupiter14:07 – 15:22
- 8♂︎ Mars15:22 – 16:36
- 9☉︎ Sun16:36 – 17:51
- 10♀︎ Venus17:51 – 19:06
- 11☿︎ Mercury19:06 – 20:21
- 12☽︎ Moon20:21 – 21:36
Night
- 1♄︎ Saturn21:36 – 22:21
- 2♃︎ Jupiter22:21 – 23:06
- 3♂︎ Mars23:06 – 23:52
- 4☉︎ Sun23:52 – 00:37
- 5♀︎ Venus00:37 – 01:22
- 6☿︎ Mercury01:22 – 02:07
- 7☽︎ Moon02:07 – 02:52
- 8♄︎ Saturn02:52 – 03:38
- 9♃︎ Jupiter03:38 – 04:23
- 10♂︎ Mars04:23 – 05:08
- 11☉︎ Sun05:08 – 05:53
- 12♀︎ Venus05:53 – 06:39
Other cities · France
Questions
How are the planetary hours calculated in Caen?
On Tuesday, 4 August 2026, the Sun rises at 06:37 and sets at 21:36: the day lasts 14h 59m, that is twelve day hours of 1h 15m. The night, until the next sunrise at 06:39, lasts 9h 02m: twelve night hours of 45 min.
Which planet rules the first hour that day?
Mars, from 06:37 to 07:52: 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.