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, 15 November 2025: day of Saturn
- Sunrise
- 08:10
- Sunset
- 17:30
- Next sunrise
- 08:11
A day hour lasts 47 min; a night hour, 1h 13m. Local time (Europe/Paris).
Day
- 1♄︎ Saturn08:10 – 08:57
- 2♃︎ Jupiter08:57 – 09:43
- 3♂︎ Mars09:43 – 10:30
- 4☉︎ Sun10:30 – 11:17
- 5♀︎ Venus11:17 – 12:03
- 6☿︎ Mercury12:03 – 12:50
- 7☽︎ Moon12:50 – 13:37
- 8♄︎ Saturn13:37 – 14:23
- 9♃︎ Jupiter14:23 – 15:10
- 10♂︎ Mars15:10 – 15:57
- 11☉︎ Sun15:57 – 16:44
- 12♀︎ Venus16:44 – 17:30
Night
- 1☿︎ Mercury17:30 – 18:44
- 2☽︎ Moon18:44 – 19:57
- 3♄︎ Saturn19:57 – 21:11
- 4♃︎ Jupiter21:11 – 22:24
- 5♂︎ Mars22:24 – 23:37
- 6☉︎ Sun23:37 – 00:51
- 7♀︎ Venus00:51 – 02:04
- 8☿︎ Mercury02:04 – 03:18
- 9☽︎ Moon03:18 – 04:31
- 10♄︎ Saturn04:31 – 05:44
- 11♃︎ Jupiter05:44 – 06:58
- 12♂︎ Mars06:58 – 08:11
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Saturday, 15 November 2025, the Sun rises at 08:10 and sets at 17:30: the day lasts 9h 20m, that is twelve day hours of 47 min. The night, until the next sunrise at 08:11, lasts 14h 41m: twelve night hours of 1h 13m.
Which planet rules the first hour that day?
Saturn, from 08:10 to 08:57: 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.