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 Friday, 18 September 2026: day of Venus
- Sunrise
- 07:47
- Sunset
- 20:13
- Next sunrise
- 07:49
A day hour lasts 1h 02m; a night hour, 58 min. Local time (Europe/Paris).
Day
- 1♀︎ Venus07:47 – 08:49
- 2☿︎ Mercury08:49 – 09:51
- 3☽︎ Moon09:51 – 10:53
- 4♄︎ Saturn10:53 – 11:56
- 5♃︎ Jupiter11:56 – 12:58
- 6♂︎ Mars12:58 – 14:00
- 7☉︎ Sun14:00 – 15:02
- 8♀︎ Venus15:02 – 16:04
- 9☿︎ Mercury16:04 – 17:06
- 10☽︎ Moon17:06 – 18:08
- 11♄︎ Saturn18:08 – 19:10
- 12♃︎ Jupiter19:10 – 20:13
Night
- 1♂︎ Mars20:13 – 21:11
- 2☉︎ Sun21:11 – 22:09
- 3♀︎ Venus22:09 – 23:07
- 4☿︎ Mercury23:07 – 00:05
- 5☽︎ Moon00:05 – 01:03
- 6♄︎ Saturn01:03 – 02:01
- 7♃︎ Jupiter02:01 – 02:59
- 8♂︎ Mars02:59 – 03:57
- 9☉︎ Sun03:57 – 04:55
- 10♀︎ Venus04:55 – 05:53
- 11☿︎ Mercury05:53 – 06:51
- 12☽︎ Moon06:51 – 07:49
Other cities · France
Questions
How are the planetary hours calculated in Rennes?
On Friday, 18 September 2026, the Sun rises at 07:47 and sets at 20:13: the day lasts 12h 25m, that is twelve day hours of 1h 02m. The night, until the next sunrise at 07:49, lasts 11h 36m: twelve night hours of 58 min.
Which planet rules the first hour that day?
Venus, from 07:47 to 08:49: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mercury, the Moon, Saturn, Jupiter, Mars, the Sun, then Venus 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.