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, 1 August 2026: day of Saturn
- Sunrise
- 06:44
- Sunset
- 21:39
- Next sunrise
- 06:46
A day hour lasts 1h 15m; a night hour, 46 min. Local time (Europe/Paris).
Day
- 1♄︎ Saturn06:44 – 07:59
- 2♃︎ Jupiter07:59 – 09:13
- 3♂︎ Mars09:13 – 10:28
- 4☉︎ Sun10:28 – 11:43
- 5♀︎ Venus11:43 – 12:57
- 6☿︎ Mercury12:57 – 14:12
- 7☽︎ Moon14:12 – 15:26
- 8♄︎ Saturn15:26 – 16:41
- 9♃︎ Jupiter16:41 – 17:55
- 10♂︎ Mars17:55 – 19:10
- 11☉︎ Sun19:10 – 20:24
- 12♀︎ Venus20:24 – 21:39
Night
- 1☿︎ Mercury21:39 – 22:25
- 2☽︎ Moon22:25 – 23:10
- 3♄︎ Saturn23:10 – 23:56
- 4♃︎ Jupiter23:56 – 00:41
- 5♂︎ Mars00:41 – 01:27
- 6☉︎ Sun01:27 – 02:12
- 7♀︎ Venus02:12 – 02:58
- 8☿︎ Mercury02:58 – 03:43
- 9☽︎ Moon03:43 – 04:29
- 10♄︎ Saturn04:29 – 05:14
- 11♃︎ Jupiter05:14 – 06:00
- 12♂︎ Mars06:00 – 06:46
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Saturday, 1 August 2026, the Sun rises at 06:44 and sets at 21:39: the day lasts 14h 55m, that is twelve day hours of 1h 15m. The night, until the next sunrise at 06:46, lasts 9h 06m: twelve night hours of 46 min.
Which planet rules the first hour that day?
Saturn, from 06:44 to 07:59: 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.