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 Saturday, 18 December 2027: day of Saturn
- Sunrise
- 08:52
- Sunset
- 17:14
- Next sunrise
- 08:52
A day hour lasts 42 min; a night hour, 1h 18m. Local time (Europe/Paris).
Day
- 1♄︎ Saturn08:52 – 09:33
- 2♃︎ Jupiter09:33 – 10:15
- 3♂︎ Mars10:15 – 10:57
- 4☉︎ Sun10:57 – 11:39
- 5♀︎ Venus11:39 – 12:21
- 6☿︎ Mercury12:21 – 13:03
- 7☽︎ Moon13:03 – 13:44
- 8♄︎ Saturn13:44 – 14:26
- 9♃︎ Jupiter14:26 – 15:08
- 10♂︎ Mars15:08 – 15:50
- 11☉︎ Sun15:50 – 16:32
- 12♀︎ Venus16:32 – 17:14
Night
- 1☿︎ Mercury17:14 – 18:32
- 2☽︎ Moon18:32 – 19:50
- 3♄︎ Saturn19:50 – 21:08
- 4♃︎ Jupiter21:08 – 22:26
- 5♂︎ Mars22:26 – 23:45
- 6☉︎ Sun23:45 – 01:03
- 7♀︎ Venus01:03 – 02:21
- 8☿︎ Mercury02:21 – 03:39
- 9☽︎ Moon03:39 – 04:58
- 10♄︎ Saturn04:58 – 06:16
- 11♃︎ Jupiter06:16 – 07:34
- 12♂︎ Mars07:34 – 08:52
Other cities · France
Questions
How are the planetary hours calculated in Rennes?
On Saturday, 18 December 2027, the Sun rises at 08:52 and sets at 17:14: the day lasts 8h 22m, that is twelve day hours of 42 min. The night, until the next sunrise at 08:52, lasts 15h 39m: twelve night hours of 1h 18m.
Which planet rules the first hour that day?
Saturn, from 08:52 to 09:33: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Jupiter, Mars, the Sun, Venus, Mercury, the Moon, then Saturn 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.