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, 7 February 2026: day of Saturn
- Sunrise
- 08:23
- Sunset
- 18:17
- Next sunrise
- 08:22
A day hour lasts 49 min; a night hour, 1h 10m. Local time (Europe/Paris).
Day
- 1♄︎ Saturn08:23 – 09:13
- 2♃︎ Jupiter09:13 – 10:02
- 3♂︎ Mars10:02 – 10:52
- 4☉︎ Sun10:52 – 11:41
- 5♀︎ Venus11:41 – 12:31
- 6☿︎ Mercury12:31 – 13:20
- 7☽︎ Moon13:20 – 14:10
- 8♄︎ Saturn14:10 – 14:59
- 9♃︎ Jupiter14:59 – 15:49
- 10♂︎ Mars15:49 – 16:38
- 11☉︎ Sun16:38 – 17:28
- 12♀︎ Venus17:28 – 18:17
Night
- 1☿︎ Mercury18:17 – 19:27
- 2☽︎ Moon19:27 – 20:38
- 3♄︎ Saturn20:38 – 21:48
- 4♃︎ Jupiter21:48 – 22:59
- 5♂︎ Mars22:59 – 00:09
- 6☉︎ Sun00:09 – 01:19
- 7♀︎ Venus01:19 – 02:30
- 8☿︎ Mercury02:30 – 03:40
- 9☽︎ Moon03:40 – 04:51
- 10♄︎ Saturn04:51 – 06:01
- 11♃︎ Jupiter06:01 – 07:11
- 12♂︎ Mars07:11 – 08:22
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Saturday, 7 February 2026, the Sun rises at 08:23 and sets at 18:17: the day lasts 9h 54m, that is twelve day hours of 49 min. The night, until the next sunrise at 08:22, lasts 14h 05m: twelve night hours of 1h 10m.
Which planet rules the first hour that day?
Saturn, from 08:23 to 09:13: 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.