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, 11 July 2026: day of Saturn
- Sunrise
- 06:21
- Sunset
- 22:01
- Next sunrise
- 06:22
A day hour lasts 1h 18m; a night hour, 42 min. Local time (Europe/Paris).
Day
- 1♄︎ Saturn06:21 – 07:39
- 2♃︎ Jupiter07:39 – 08:58
- 3♂︎ Mars08:58 – 10:16
- 4☉︎ Sun10:16 – 11:34
- 5♀︎ Venus11:34 – 12:53
- 6☿︎ Mercury12:53 – 14:11
- 7☽︎ Moon14:11 – 15:29
- 8♄︎ Saturn15:29 – 16:48
- 9♃︎ Jupiter16:48 – 18:06
- 10♂︎ Mars18:06 – 19:24
- 11☉︎ Sun19:24 – 20:43
- 12♀︎ Venus20:43 – 22:01
Night
- 1☿︎ Mercury22:01 – 22:43
- 2☽︎ Moon22:43 – 23:24
- 3♄︎ Saturn23:24 – 00:06
- 4♃︎ Jupiter00:06 – 00:48
- 5♂︎ Mars00:48 – 01:30
- 6☉︎ Sun01:30 – 02:11
- 7♀︎ Venus02:11 – 02:53
- 8☿︎ Mercury02:53 – 03:35
- 9☽︎ Moon03:35 – 04:17
- 10♄︎ Saturn04:17 – 04:59
- 11♃︎ Jupiter04:59 – 05:40
- 12♂︎ Mars05:40 – 06:22
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Saturday, 11 July 2026, the Sun rises at 06:21 and sets at 22:01: the day lasts 15h 40m, that is twelve day hours of 1h 18m. The night, until the next sunrise at 06:22, lasts 8h 21m: twelve night hours of 42 min.
Which planet rules the first hour that day?
Saturn, from 06:21 to 07:39: 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.