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 Tuesday, 25 November 2025: day of Mars
- Sunrise
- 08:24
- Sunset
- 17:21
- Next sunrise
- 08:25
A day hour lasts 45 min; a night hour, 1h 15m. Local time (Europe/Paris).
Day
- 1♂︎ Mars08:24 – 09:09
- 2☉︎ Sun09:09 – 09:53
- 3♀︎ Venus09:53 – 10:38
- 4☿︎ Mercury10:38 – 11:23
- 5☽︎ Moon11:23 – 12:08
- 6♄︎ Saturn12:08 – 12:53
- 7♃︎ Jupiter12:53 – 13:37
- 8♂︎ Mars13:37 – 14:22
- 9☉︎ Sun14:22 – 15:07
- 10♀︎ Venus15:07 – 15:52
- 11☿︎ Mercury15:52 – 16:36
- 12☽︎ Moon16:36 – 17:21
Night
- 1♄︎ Saturn17:21 – 18:37
- 2♃︎ Jupiter18:37 – 19:52
- 3♂︎ Mars19:52 – 21:07
- 4☉︎ Sun21:07 – 22:23
- 5♀︎ Venus22:23 – 23:38
- 6☿︎ Mercury23:38 – 00:53
- 7☽︎ Moon00:53 – 02:09
- 8♄︎ Saturn02:09 – 03:24
- 9♃︎ Jupiter03:24 – 04:39
- 10♂︎ Mars04:39 – 05:55
- 11☉︎ Sun05:55 – 07:10
- 12♀︎ Venus07:10 – 08:25
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Tuesday, 25 November 2025, the Sun rises at 08:24 and sets at 17:21: the day lasts 8h 57m, that is twelve day hours of 45 min. The night, until the next sunrise at 08:25, lasts 15h 04m: twelve night hours of 1h 15m.
Which planet rules the first hour that day?
Mars, from 08:24 to 09:09: 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.