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 Saturday, 8 August 2026: day of Saturn
- Sunrise
- 06:51
- Sunset
- 21:32
- Next sunrise
- 06:52
A day hour lasts 1h 13m; a night hour, 47 min. Local time (Europe/Paris).
Day
- 1♄︎ Saturn06:51 – 08:04
- 2♃︎ Jupiter08:04 – 09:18
- 3♂︎ Mars09:18 – 10:31
- 4☉︎ Sun10:31 – 11:45
- 5♀︎ Venus11:45 – 12:58
- 6☿︎ Mercury12:58 – 14:11
- 7☽︎ Moon14:11 – 15:25
- 8♄︎ Saturn15:25 – 16:38
- 9♃︎ Jupiter16:38 – 17:52
- 10♂︎ Mars17:52 – 19:05
- 11☉︎ Sun19:05 – 20:18
- 12♀︎ Venus20:18 – 21:32
Night
- 1☿︎ Mercury21:32 – 22:18
- 2☽︎ Moon22:18 – 23:05
- 3♄︎ Saturn23:05 – 23:52
- 4♃︎ Jupiter23:52 – 00:39
- 5♂︎ Mars00:39 – 01:25
- 6☉︎ Sun01:25 – 02:12
- 7♀︎ Venus02:12 – 02:59
- 8☿︎ Mercury02:59 – 03:46
- 9☽︎ Moon03:46 – 04:32
- 10♄︎ Saturn04:32 – 05:19
- 11♃︎ Jupiter05:19 – 06:06
- 12♂︎ Mars06:06 – 06:52
Other cities · France
Questions
How are the planetary hours calculated in Rennes?
On Saturday, 8 August 2026, the Sun rises at 06:51 and sets at 21:32: the day lasts 14h 41m, that is twelve day hours of 1h 13m. The night, until the next sunrise at 06:52, lasts 9h 21m: twelve night hours of 47 min.
Which planet rules the first hour that day?
Saturn, from 06:51 to 08:04: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Jupiter, Mars, the Sun, Venus, Mercury, the Moon, then Saturn 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.