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, 6 January 2026: day of Mars
- Sunrise
- 08:56
- Sunset
- 17:29
- Next sunrise
- 08:55
A day hour lasts 43 min; a night hour, 1h 17m. Local time (Europe/Paris).
Day
- 1♂︎ Mars08:56 – 09:39
- 2☉︎ Sun09:39 – 10:21
- 3♀︎ Venus10:21 – 11:04
- 4☿︎ Mercury11:04 – 11:47
- 5☽︎ Moon11:47 – 12:29
- 6♄︎ Saturn12:29 – 13:12
- 7♃︎ Jupiter13:12 – 13:55
- 8♂︎ Mars13:55 – 14:38
- 9☉︎ Sun14:38 – 15:20
- 10♀︎ Venus15:20 – 16:03
- 11☿︎ Mercury16:03 – 16:46
- 12☽︎ Moon16:46 – 17:29
Night
- 1♄︎ Saturn17:29 – 18:46
- 2♃︎ Jupiter18:46 – 20:03
- 3♂︎ Mars20:03 – 21:20
- 4☉︎ Sun21:20 – 22:38
- 5♀︎ Venus22:38 – 23:55
- 6☿︎ Mercury23:55 – 01:12
- 7☽︎ Moon01:12 – 02:29
- 8♄︎ Saturn02:29 – 03:47
- 9♃︎ Jupiter03:47 – 05:04
- 10♂︎ Mars05:04 – 06:21
- 11☉︎ Sun06:21 – 07:38
- 12♀︎ Venus07:38 – 08:55
Other cities · France
Questions
How are the planetary hours calculated in Rennes?
On Tuesday, 6 January 2026, the Sun rises at 08:56 and sets at 17:29: the day lasts 8h 33m, that is twelve day hours of 43 min. The night, until the next sunrise at 08:55, lasts 15h 27m: twelve night hours of 1h 17m.
Which planet rules the first hour that day?
Mars, from 08:56 to 09:39: 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.