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, 3 October 2025: day of Venus
- Sunrise
- 08:08
- Sunset
- 19:41
- Next sunrise
- 08:10
A day hour lasts 58 min; a night hour, 1h 02m. Local time (Europe/Paris).
Day
- 1♀︎ Venus08:08 – 09:06
- 2☿︎ Mercury09:06 – 10:04
- 3☽︎ Moon10:04 – 11:02
- 4♄︎ Saturn11:02 – 11:59
- 5♃︎ Jupiter11:59 – 12:57
- 6♂︎ Mars12:57 – 13:55
- 7☉︎ Sun13:55 – 14:52
- 8♀︎ Venus14:52 – 15:50
- 9☿︎ Mercury15:50 – 16:48
- 10☽︎ Moon16:48 – 17:46
- 11♄︎ Saturn17:46 – 18:43
- 12♃︎ Jupiter18:43 – 19:41
Night
- 1♂︎ Mars19:41 – 20:43
- 2☉︎ Sun20:43 – 21:46
- 3♀︎ Venus21:46 – 22:48
- 4☿︎ Mercury22:48 – 23:51
- 5☽︎ Moon23:51 – 00:53
- 6♄︎ Saturn00:53 – 01:55
- 7♃︎ Jupiter01:55 – 02:58
- 8♂︎ Mars02:58 – 04:00
- 9☉︎ Sun04:00 – 05:03
- 10♀︎ Venus05:03 – 06:05
- 11☿︎ Mercury06:05 – 07:07
- 12☽︎ Moon07:07 – 08:10
Other cities · France
Questions
How are the planetary hours calculated in Rennes?
On Friday, 3 October 2025, the Sun rises at 08:08 and sets at 19:41: the day lasts 11h 33m, that is twelve day hours of 58 min. The night, until the next sunrise at 08:10, lasts 12h 29m: twelve night hours of 1h 02m.
Which planet rules the first hour that day?
Venus, from 08:08 to 09:06: 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.