Planetary hours
in Rennes.
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, 2 December 2026: day of Mercury
- Sunrise
- 08:36
- Sunset
- 17:14
- Next sunrise
- 08:38
A day hour lasts 43 min; a night hour, 1h 17m. Local time (Europe/Paris).
Day
- 1☿︎ Mercury08:36 – 09:20
- 2☽︎ Moon09:20 – 10:03
- 3♄︎ Saturn10:03 – 10:46
- 4♃︎ Jupiter10:46 – 11:29
- 5♂︎ Mars11:29 – 12:12
- 6☉︎ Sun12:12 – 12:55
- 7♀︎ Venus12:55 – 13:39
- 8☿︎ Mercury13:39 – 14:22
- 9☽︎ Moon14:22 – 15:05
- 10♄︎ Saturn15:05 – 15:48
- 11♃︎ Jupiter15:48 – 16:31
- 12♂︎ Mars16:31 – 17:14
Night
- 1☉︎ Sun17:14 – 18:31
- 2♀︎ Venus18:31 – 19:48
- 3☿︎ Mercury19:48 – 21:05
- 4☽︎ Moon21:05 – 22:22
- 5♄︎ Saturn22:22 – 23:39
- 6♃︎ Jupiter23:39 – 00:56
- 7♂︎ Mars00:56 – 02:13
- 8☉︎ Sun02:13 – 03:30
- 9♀︎ Venus03:30 – 04:47
- 10☿︎ Mercury04:47 – 06:04
- 11☽︎ Moon06:04 – 07:21
- 12♄︎ Saturn07:21 – 08:38
Other cities · France
Questions
How are the planetary hours calculated in Rennes?
On Wednesday, 2 December 2026, the Sun rises at 08:36 and sets at 17:14: the day lasts 8h 38m, that is twelve day hours of 43 min. The night, until the next sunrise at 08:38, lasts 15h 23m: twelve night hours of 1h 17m.
Which planet rules the first hour that day?
Mercury, from 08:36 to 09:20: 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.