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 Monday, 14 September 2026: day of the Moon
- Sunrise
- 07:42
- Sunset
- 20:20
- Next sunrise
- 07:43
A day hour lasts 1h 03m; a night hour, 57 min. Local time (Europe/Paris).
Day
- 1☽︎ Moon07:42 – 08:45
- 2♄︎ Saturn08:45 – 09:48
- 3♃︎ Jupiter09:48 – 10:51
- 4♂︎ Mars10:51 – 11:54
- 5☉︎ Sun11:54 – 12:58
- 6♀︎ Venus12:58 – 14:01
- 7☿︎ Mercury14:01 – 15:04
- 8☽︎ Moon15:04 – 16:07
- 9♄︎ Saturn16:07 – 17:10
- 10♃︎ Jupiter17:10 – 18:14
- 11♂︎ Mars18:14 – 19:17
- 12☉︎ Sun19:17 – 20:20
Night
- 1♀︎ Venus20:20 – 21:17
- 2☿︎ Mercury21:17 – 22:14
- 3☽︎ Moon22:14 – 23:11
- 4♄︎ Saturn23:11 – 00:08
- 5♃︎ Jupiter00:08 – 01:05
- 6♂︎ Mars01:05 – 02:01
- 7☉︎ Sun02:01 – 02:58
- 8♀︎ Venus02:58 – 03:55
- 9☿︎ Mercury03:55 – 04:52
- 10☽︎ Moon04:52 – 05:49
- 11♄︎ Saturn05:49 – 06:46
- 12♃︎ Jupiter06:46 – 07:43
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Monday, 14 September 2026, the Sun rises at 07:42 and sets at 20:20: the day lasts 12h 38m, that is twelve day hours of 1h 03m. The night, until the next sunrise at 07:43, lasts 11h 23m: twelve night hours of 57 min.
Which planet rules the first hour that day?
The Moon, from 07:42 to 08:45: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Saturn, Jupiter, Mars, the Sun, Venus, Mercury, then the Moon 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.