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 Monday, 14 December 2026: day of the Moon
- Sunrise
- 08:45
- Sunset
- 17:16
- Next sunrise
- 08:45
A day hour lasts 43 min; a night hour, 1h 17m. Local time (Europe/Paris).
Day
- 1☽︎ Moon08:45 – 09:27
- 2♄︎ Saturn09:27 – 10:10
- 3♃︎ Jupiter10:10 – 10:52
- 4♂︎ Mars10:52 – 11:35
- 5☉︎ Sun11:35 – 12:18
- 6♀︎ Venus12:18 – 13:00
- 7☿︎ Mercury13:00 – 13:43
- 8☽︎ Moon13:43 – 14:25
- 9♄︎ Saturn14:25 – 15:08
- 10♃︎ Jupiter15:08 – 15:51
- 11♂︎ Mars15:51 – 16:33
- 12☉︎ Sun16:33 – 17:16
Night
- 1♀︎ Venus17:16 – 18:33
- 2☿︎ Mercury18:33 – 19:51
- 3☽︎ Moon19:51 – 21:08
- 4♄︎ Saturn21:08 – 22:26
- 5♃︎ Jupiter22:26 – 23:43
- 6♂︎ Mars23:43 – 01:01
- 7☉︎ Sun01:01 – 02:18
- 8♀︎ Venus02:18 – 03:36
- 9☿︎ Mercury03:36 – 04:53
- 10☽︎ Moon04:53 – 06:11
- 11♄︎ Saturn06:11 – 07:28
- 12♃︎ Jupiter07:28 – 08:45
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Monday, 14 December 2026, the Sun rises at 08:45 and sets at 17:16: the day lasts 8h 31m, that is twelve day hours of 43 min. The night, until the next sunrise at 08:45, lasts 15h 30m: twelve night hours of 1h 17m.
Which planet rules the first hour that day?
The Moon, from 08:45 to 09:27: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Saturn, Jupiter, Mars, the Sun, Venus, Mercury, then the Moon 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.