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, 26 September 2026: day of Saturn
- Sunrise
- 07:58
- Sunset
- 19:56
- Next sunrise
- 07:59
A day hour lasts 1h 00m; a night hour, 1h 00m. Local time (Europe/Paris).
Day
- 1♄︎ Saturn07:58 – 08:57
- 2♃︎ Jupiter08:57 – 09:57
- 3♂︎ Mars09:57 – 10:57
- 4☉︎ Sun10:57 – 11:57
- 5♀︎ Venus11:57 – 12:57
- 6☿︎ Mercury12:57 – 13:57
- 7☽︎ Moon13:57 – 14:56
- 8♄︎ Saturn14:56 – 15:56
- 9♃︎ Jupiter15:56 – 16:56
- 10♂︎ Mars16:56 – 17:56
- 11☉︎ Sun17:56 – 18:56
- 12♀︎ Venus18:56 – 19:56
Night
- 1☿︎ Mercury19:56 – 20:56
- 2☽︎ Moon20:56 – 21:56
- 3♄︎ Saturn21:56 – 22:56
- 4♃︎ Jupiter22:56 – 23:57
- 5♂︎ Mars23:57 – 00:57
- 6☉︎ Sun00:57 – 01:57
- 7♀︎ Venus01:57 – 02:58
- 8☿︎ Mercury02:58 – 03:58
- 9☽︎ Moon03:58 – 04:58
- 10♄︎ Saturn04:58 – 05:58
- 11♃︎ Jupiter05:58 – 06:59
- 12♂︎ Mars06:59 – 07:59
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Saturday, 26 September 2026, the Sun rises at 07:58 and sets at 19:56: the day lasts 11h 58m, that is twelve day hours of 1h 00m. The night, until the next sunrise at 07:59, lasts 12h 03m: twelve night hours of 1h 00m.
Which planet rules the first hour that day?
Saturn, from 07:58 to 08:57: 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.