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, 4 April 2026: day of Saturn
- Sunrise
- 07:39
- Sunset
- 20:41
- Next sunrise
- 07:37
A day hour lasts 1h 05m; a night hour, 55 min. Local time (Europe/Paris).
Day
- 1♄︎ Saturn07:39 – 08:44
- 2♃︎ Jupiter08:44 – 09:49
- 3♂︎ Mars09:49 – 10:54
- 4☉︎ Sun10:54 – 11:59
- 5♀︎ Venus11:59 – 13:04
- 6☿︎ Mercury13:04 – 14:10
- 7☽︎ Moon14:10 – 15:15
- 8♄︎ Saturn15:15 – 16:20
- 9♃︎ Jupiter16:20 – 17:25
- 10♂︎ Mars17:25 – 18:30
- 11☉︎ Sun18:30 – 19:35
- 12♀︎ Venus19:35 – 20:41
Night
- 1☿︎ Mercury20:41 – 21:35
- 2☽︎ Moon21:35 – 22:30
- 3♄︎ Saturn22:30 – 23:25
- 4♃︎ Jupiter23:25 – 00:19
- 5♂︎ Mars00:19 – 01:14
- 6☉︎ Sun01:14 – 02:09
- 7♀︎ Venus02:09 – 03:03
- 8☿︎ Mercury03:03 – 03:58
- 9☽︎ Moon03:58 – 04:53
- 10♄︎ Saturn04:53 – 05:47
- 11♃︎ Jupiter05:47 – 06:42
- 12♂︎ Mars06:42 – 07:37
Other cities · France
Questions
How are the planetary hours calculated in Rennes?
On Saturday, 4 April 2026, the Sun rises at 07:39 and sets at 20:41: the day lasts 13h 02m, that is twelve day hours of 1h 05m. The night, until the next sunrise at 07:37, lasts 10h 56m: twelve night hours of 55 min.
Which planet rules the first hour that day?
Saturn, from 07:39 to 08:44: 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.