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, 21 November 2026: day of Saturn
- Sunrise
- 08:18
- Sunset
- 17:25
- Next sunrise
- 08:20
A day hour lasts 46 min; a night hour, 1h 15m. Local time (Europe/Paris).
Day
- 1♄︎ Saturn08:18 – 09:04
- 2♃︎ Jupiter09:04 – 09:49
- 3♂︎ Mars09:49 – 10:35
- 4☉︎ Sun10:35 – 11:20
- 5♀︎ Venus11:20 – 12:06
- 6☿︎ Mercury12:06 – 12:51
- 7☽︎ Moon12:51 – 13:37
- 8♄︎ Saturn13:37 – 14:22
- 9♃︎ Jupiter14:22 – 15:08
- 10♂︎ Mars15:08 – 15:53
- 11☉︎ Sun15:53 – 16:39
- 12♀︎ Venus16:39 – 17:25
Night
- 1☿︎ Mercury17:25 – 18:39
- 2☽︎ Moon18:39 – 19:54
- 3♄︎ Saturn19:54 – 21:08
- 4♃︎ Jupiter21:08 – 22:23
- 5♂︎ Mars22:23 – 23:37
- 6☉︎ Sun23:37 – 00:52
- 7♀︎ Venus00:52 – 02:07
- 8☿︎ Mercury02:07 – 03:21
- 9☽︎ Moon03:21 – 04:36
- 10♄︎ Saturn04:36 – 05:50
- 11♃︎ Jupiter05:50 – 07:05
- 12♂︎ Mars07:05 – 08:20
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Saturday, 21 November 2026, the Sun rises at 08:18 and sets at 17:25: the day lasts 9h 06m, that is twelve day hours of 46 min. The night, until the next sunrise at 08:20, lasts 14h 55m: twelve night hours of 1h 15m.
Which planet rules the first hour that day?
Saturn, from 08:18 to 09:04: 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.