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 Sunday, 17 January 2027: day of the Sun
- Sunrise
- 08:50
- Sunset
- 17:42
- Next sunrise
- 08:50
A day hour lasts 44 min; a night hour, 1h 16m. Local time (Europe/Paris).
Day
- 1☉︎ Sun08:50 – 09:35
- 2♀︎ Venus09:35 – 10:19
- 3☿︎ Mercury10:19 – 11:03
- 4☽︎ Moon11:03 – 11:48
- 5♄︎ Saturn11:48 – 12:32
- 6♃︎ Jupiter12:32 – 13:16
- 7♂︎ Mars13:16 – 14:01
- 8☉︎ Sun14:01 – 14:45
- 9♀︎ Venus14:45 – 15:29
- 10☿︎ Mercury15:29 – 16:14
- 11☽︎ Moon16:14 – 16:58
- 12♄︎ Saturn16:58 – 17:42
Night
- 1♃︎ Jupiter17:42 – 18:58
- 2♂︎ Mars18:58 – 20:14
- 3☉︎ Sun20:14 – 21:29
- 4♀︎ Venus21:29 – 22:45
- 5☿︎ Mercury22:45 – 00:00
- 6☽︎ Moon00:00 – 01:16
- 7♄︎ Saturn01:16 – 02:32
- 8♃︎ Jupiter02:32 – 03:47
- 9♂︎ Mars03:47 – 05:03
- 10☉︎ Sun05:03 – 06:18
- 11♀︎ Venus06:18 – 07:34
- 12☿︎ Mercury07:34 – 08:50
Other cities · France
Questions
How are the planetary hours calculated in Rennes?
On Sunday, 17 January 2027, the Sun rises at 08:50 and sets at 17:42: the day lasts 8h 52m, that is twelve day hours of 44 min. The night, until the next sunrise at 08:50, lasts 15h 07m: twelve night hours of 1h 16m.
Which planet rules the first hour that day?
The Sun, from 08:50 to 09:35: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Venus, Mercury, the Moon, Saturn, Jupiter, Mars, then the Sun 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.