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 Sunday, 16 November 2025: day of the Sun
- Sunrise
- 08:11
- Sunset
- 17:29
- Next sunrise
- 08:13
A day hour lasts 46 min; a night hour, 1h 14m. Local time (Europe/Paris).
Day
- 1☉︎ Sun08:11 – 08:58
- 2♀︎ Venus08:58 – 09:44
- 3☿︎ Mercury09:44 – 10:31
- 4☽︎ Moon10:31 – 11:17
- 5♄︎ Saturn11:17 – 12:04
- 6♃︎ Jupiter12:04 – 12:50
- 7♂︎ Mars12:50 – 13:37
- 8☉︎ Sun13:37 – 14:23
- 9♀︎ Venus14:23 – 15:10
- 10☿︎ Mercury15:10 – 15:56
- 11☽︎ Moon15:56 – 16:43
- 12♄︎ Saturn16:43 – 17:29
Night
- 1♃︎ Jupiter17:29 – 18:43
- 2♂︎ Mars18:43 – 19:56
- 3☉︎ Sun19:56 – 21:10
- 4♀︎ Venus21:10 – 22:24
- 5☿︎ Mercury22:24 – 23:37
- 6☽︎ Moon23:37 – 00:51
- 7♄︎ Saturn00:51 – 02:05
- 8♃︎ Jupiter02:05 – 03:18
- 9♂︎ Mars03:18 – 04:32
- 10☉︎ Sun04:32 – 05:46
- 11♀︎ Venus05:46 – 06:59
- 12☿︎ Mercury06:59 – 08:13
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Sunday, 16 November 2025, the Sun rises at 08:11 and sets at 17:29: the day lasts 9h 18m, that is twelve day hours of 46 min. The night, until the next sunrise at 08:13, lasts 14h 44m: twelve night hours of 1h 14m.
Which planet rules the first hour that day?
The Sun, from 08:11 to 08:58: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Venus, Mercury, the Moon, Saturn, Jupiter, Mars, then the Sun 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.