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, 7 October 2026: day of Mercury
- Sunrise
- 08:14
- Sunset
- 19:33
- Next sunrise
- 08:15
A day hour lasts 57 min; a night hour, 1h 03m. Local time (Europe/Paris).
Day
- 1☿︎ Mercury08:14 – 09:10
- 2☽︎ Moon09:10 – 10:07
- 3♄︎ Saturn10:07 – 11:04
- 4♃︎ Jupiter11:04 – 12:00
- 5♂︎ Mars12:00 – 12:57
- 6☉︎ Sun12:57 – 13:54
- 7♀︎ Venus13:54 – 14:50
- 8☿︎ Mercury14:50 – 15:47
- 9☽︎ Moon15:47 – 16:43
- 10♄︎ Saturn16:43 – 17:40
- 11♃︎ Jupiter17:40 – 18:37
- 12♂︎ Mars18:37 – 19:33
Night
- 1☉︎ Sun19:33 – 20:37
- 2♀︎ Venus20:37 – 21:40
- 3☿︎ Mercury21:40 – 22:44
- 4☽︎ Moon22:44 – 23:47
- 5♄︎ Saturn23:47 – 00:51
- 6♃︎ Jupiter00:51 – 01:54
- 7♂︎ Mars01:54 – 02:58
- 8☉︎ Sun02:58 – 04:01
- 9♀︎ Venus04:01 – 05:05
- 10☿︎ Mercury05:05 – 06:08
- 11☽︎ Moon06:08 – 07:12
- 12♄︎ Saturn07:12 – 08:15
Other cities · France
Questions
How are the planetary hours calculated in Rennes?
On Wednesday, 7 October 2026, the Sun rises at 08:14 and sets at 19:33: the day lasts 11h 20m, that is twelve day hours of 57 min. The night, until the next sunrise at 08:15, lasts 12h 42m: twelve night hours of 1h 03m.
Which planet rules the first hour that day?
Mercury, from 08:14 to 09:10: 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.