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 Tuesday, 20 October 2026: day of Mars
- Sunrise
- 08:33
- Sunset
- 19:08
- Next sunrise
- 08:34
A day hour lasts 53 min; a night hour, 1h 07m. Local time (Europe/Paris).
Day
- 1♂︎ Mars08:33 – 09:26
- 2☉︎ Sun09:26 – 10:19
- 3♀︎ Venus10:19 – 11:12
- 4☿︎ Mercury11:12 – 12:05
- 5☽︎ Moon12:05 – 12:58
- 6♄︎ Saturn12:58 – 13:51
- 7♃︎ Jupiter13:51 – 14:44
- 8♂︎ Mars14:44 – 15:37
- 9☉︎ Sun15:37 – 16:29
- 10♀︎ Venus16:29 – 17:22
- 11☿︎ Mercury17:22 – 18:15
- 12☽︎ Moon18:15 – 19:08
Night
- 1♄︎ Saturn19:08 – 20:15
- 2♃︎ Jupiter20:15 – 21:23
- 3♂︎ Mars21:23 – 22:30
- 4☉︎ Sun22:30 – 23:37
- 5♀︎ Venus23:37 – 00:44
- 6☿︎ Mercury00:44 – 01:51
- 7☽︎ Moon01:51 – 02:59
- 8♄︎ Saturn02:59 – 04:06
- 9♃︎ Jupiter04:06 – 05:13
- 10♂︎ Mars05:13 – 06:20
- 11☉︎ Sun06:20 – 07:27
- 12♀︎ Venus07:27 – 08:34
Other cities · France
Questions
How are the planetary hours calculated in Rennes?
On Tuesday, 20 October 2026, the Sun rises at 08:33 and sets at 19:08: the day lasts 10h 35m, that is twelve day hours of 53 min. The night, until the next sunrise at 08:34, lasts 13h 26m: twelve night hours of 1h 07m.
Which planet rules the first hour that day?
Mars, from 08:33 to 09:26: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Sun, Venus, Mercury, the Moon, Saturn, Jupiter, then Mars 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.