Planetary hours
in Nantes.
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, 31 October 2026: day of Saturn
- Sunrise
- 07:47
- Sunset
- 17:51
- Next sunrise
- 07:49
A day hour lasts 50 min; a night hour, 1h 10m. Local time (Europe/Paris).
Day
- 1♄︎ Saturn07:47 – 08:37
- 2♃︎ Jupiter08:37 – 09:28
- 3♂︎ Mars09:28 – 10:18
- 4☉︎ Sun10:18 – 11:08
- 5♀︎ Venus11:08 – 11:59
- 6☿︎ Mercury11:59 – 12:49
- 7☽︎ Moon12:49 – 13:39
- 8♄︎ Saturn13:39 – 14:30
- 9♃︎ Jupiter14:30 – 15:20
- 10♂︎ Mars15:20 – 16:10
- 11☉︎ Sun16:10 – 17:00
- 12♀︎ Venus17:00 – 17:51
Night
- 1☿︎ Mercury17:51 – 19:01
- 2☽︎ Moon19:01 – 20:10
- 3♄︎ Saturn20:10 – 21:20
- 4♃︎ Jupiter21:20 – 22:30
- 5♂︎ Mars22:30 – 23:40
- 6☉︎ Sun23:40 – 00:50
- 7♀︎ Venus00:50 – 02:00
- 8☿︎ Mercury02:00 – 03:09
- 9☽︎ Moon03:09 – 04:19
- 10♄︎ Saturn04:19 – 05:29
- 11♃︎ Jupiter05:29 – 06:39
- 12♂︎ Mars06:39 – 07:49
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Saturday, 31 October 2026, the Sun rises at 07:47 and sets at 17:51: the day lasts 10h 04m, that is twelve day hours of 50 min. The night, until the next sunrise at 07:49, lasts 13h 58m: twelve night hours of 1h 10m.
Which planet rules the first hour that day?
Saturn, from 07:47 to 08:37: 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.