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, 3 October 2026: day of Saturn
- Sunrise
- 08:07
- Sunset
- 19:42
- Next sunrise
- 08:08
A day hour lasts 58 min; a night hour, 1h 02m. Local time (Europe/Paris).
Day
- 1♄︎ Saturn08:07 – 09:05
- 2♃︎ Jupiter09:05 – 10:03
- 3♂︎ Mars10:03 – 11:01
- 4☉︎ Sun11:01 – 11:59
- 5♀︎ Venus11:59 – 12:56
- 6☿︎ Mercury12:56 – 13:54
- 7☽︎ Moon13:54 – 14:52
- 8♄︎ Saturn14:52 – 15:50
- 9♃︎ Jupiter15:50 – 16:48
- 10♂︎ Mars16:48 – 17:46
- 11☉︎ Sun17:46 – 18:44
- 12♀︎ Venus18:44 – 19:42
Night
- 1☿︎ Mercury19:42 – 20:44
- 2☽︎ Moon20:44 – 21:46
- 3♄︎ Saturn21:46 – 22:48
- 4♃︎ Jupiter22:48 – 23:50
- 5♂︎ Mars23:50 – 00:53
- 6☉︎ Sun00:53 – 01:55
- 7♀︎ Venus01:55 – 02:57
- 8☿︎ Mercury02:57 – 03:59
- 9☽︎ Moon03:59 – 05:02
- 10♄︎ Saturn05:02 – 06:04
- 11♃︎ Jupiter06:04 – 07:06
- 12♂︎ Mars07:06 – 08:08
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Saturday, 3 October 2026, the Sun rises at 08:07 and sets at 19:42: the day lasts 11h 34m, that is twelve day hours of 58 min. The night, until the next sunrise at 08:08, lasts 12h 27m: twelve night hours of 1h 02m.
Which planet rules the first hour that day?
Saturn, from 08:07 to 09:05: 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.