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 Monday, 21 September 2026: day of the Moon
- Sunrise
- 07:51
- Sunset
- 20:06
- Next sunrise
- 07:53
A day hour lasts 1h 01m; a night hour, 59 min. Local time (Europe/Paris).
Day
- 1☽︎ Moon07:51 – 08:53
- 2♄︎ Saturn08:53 – 09:54
- 3♃︎ Jupiter09:54 – 10:55
- 4♂︎ Mars10:55 – 11:56
- 5☉︎ Sun11:56 – 12:58
- 6♀︎ Venus12:58 – 13:59
- 7☿︎ Mercury13:59 – 15:00
- 8☽︎ Moon15:00 – 16:01
- 9♄︎ Saturn16:01 – 17:03
- 10♃︎ Jupiter17:03 – 18:04
- 11♂︎ Mars18:04 – 19:05
- 12☉︎ Sun19:05 – 20:06
Night
- 1♀︎ Venus20:06 – 21:05
- 2☿︎ Mercury21:05 – 22:04
- 3☽︎ Moon22:04 – 23:03
- 4♄︎ Saturn23:03 – 00:02
- 5♃︎ Jupiter00:02 – 01:01
- 6♂︎ Mars01:01 – 01:59
- 7☉︎ Sun01:59 – 02:58
- 8♀︎ Venus02:58 – 03:57
- 9☿︎ Mercury03:57 – 04:56
- 10☽︎ Moon04:56 – 05:55
- 11♄︎ Saturn05:55 – 06:54
- 12♃︎ Jupiter06:54 – 07:53
Other cities · France
Questions
How are the planetary hours calculated in Rennes?
On Monday, 21 September 2026, the Sun rises at 07:51 and sets at 20:06: the day lasts 12h 15m, that is twelve day hours of 1h 01m. The night, until the next sunrise at 07:53, lasts 11h 46m: twelve night hours of 59 min.
Which planet rules the first hour that day?
The Moon, from 07:51 to 08:53: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Saturn, Jupiter, Mars, the Sun, Venus, Mercury, then the Moon 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.