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 Wednesday, 26 November 2025: day of Mercury
- Sunrise
- 08:25
- Sunset
- 17:20
- Next sunrise
- 08:27
A day hour lasts 45 min; a night hour, 1h 16m. Local time (Europe/Paris).
Day
- 1☿︎ Mercury08:25 – 09:10
- 2☽︎ Moon09:10 – 09:54
- 3♄︎ Saturn09:54 – 10:39
- 4♃︎ Jupiter10:39 – 11:24
- 5♂︎ Mars11:24 – 12:08
- 6☉︎ Sun12:08 – 12:53
- 7♀︎ Venus12:53 – 13:37
- 8☿︎ Mercury13:37 – 14:22
- 9☽︎ Moon14:22 – 15:07
- 10♄︎ Saturn15:07 – 15:51
- 11♃︎ Jupiter15:51 – 16:36
- 12♂︎ Mars16:36 – 17:20
Night
- 1☉︎ Sun17:20 – 18:36
- 2♀︎ Venus18:36 – 19:51
- 3☿︎ Mercury19:51 – 21:07
- 4☽︎ Moon21:07 – 22:23
- 5♄︎ Saturn22:23 – 23:38
- 6♃︎ Jupiter23:38 – 00:54
- 7♂︎ Mars00:54 – 02:09
- 8☉︎ Sun02:09 – 03:25
- 9♀︎ Venus03:25 – 04:40
- 10☿︎ Mercury04:40 – 05:56
- 11☽︎ Moon05:56 – 07:11
- 12♄︎ Saturn07:11 – 08:27
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Wednesday, 26 November 2025, the Sun rises at 08:25 and sets at 17:20: the day lasts 8h 55m, that is twelve day hours of 45 min. The night, until the next sunrise at 08:27, lasts 15h 06m: twelve night hours of 1h 16m.
Which planet rules the first hour that day?
Mercury, from 08:25 to 09:10: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Moon, Saturn, Jupiter, Mars, the Sun, Venus, then Mercury 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.