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, 5 December 2026: day of Saturn
- Sunrise
- 08:36
- Sunset
- 17:16
- Next sunrise
- 08:37
A day hour lasts 43 min; a night hour, 1h 17m. Local time (Europe/Paris).
Day
- 1♄︎ Saturn08:36 – 09:19
- 2♃︎ Jupiter09:19 – 10:03
- 3♂︎ Mars10:03 – 10:46
- 4☉︎ Sun10:46 – 11:29
- 5♀︎ Venus11:29 – 12:13
- 6☿︎ Mercury12:13 – 12:56
- 7☽︎ Moon12:56 – 13:40
- 8♄︎ Saturn13:40 – 14:23
- 9♃︎ Jupiter14:23 – 15:06
- 10♂︎ Mars15:06 – 15:50
- 11☉︎ Sun15:50 – 16:33
- 12♀︎ Venus16:33 – 17:16
Night
- 1☿︎ Mercury17:16 – 18:33
- 2☽︎ Moon18:33 – 19:50
- 3♄︎ Saturn19:50 – 21:07
- 4♃︎ Jupiter21:07 – 22:23
- 5♂︎ Mars22:23 – 23:40
- 6☉︎ Sun23:40 – 00:57
- 7♀︎ Venus00:57 – 02:13
- 8☿︎ Mercury02:13 – 03:30
- 9☽︎ Moon03:30 – 04:47
- 10♄︎ Saturn04:47 – 06:04
- 11♃︎ Jupiter06:04 – 07:20
- 12♂︎ Mars07:20 – 08:37
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Saturday, 5 December 2026, the Sun rises at 08:36 and sets at 17:16: the day lasts 8h 40m, that is twelve day hours of 43 min. The night, until the next sunrise at 08:37, lasts 15h 21m: twelve night hours of 1h 17m.
Which planet rules the first hour that day?
Saturn, from 08:36 to 09:19: 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.