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, 7 September 2026: day of the Moon
- Sunrise
- 07:33
- Sunset
- 20:34
- Next sunrise
- 07:34
A day hour lasts 1h 05m; a night hour, 55 min. Local time (Europe/Paris).
Day
- 1☽︎ Moon07:33 – 08:38
- 2♄︎ Saturn08:38 – 09:43
- 3♃︎ Jupiter09:43 – 10:48
- 4♂︎ Mars10:48 – 11:53
- 5☉︎ Sun11:53 – 12:58
- 6♀︎ Venus12:58 – 14:03
- 7☿︎ Mercury14:03 – 15:08
- 8☽︎ Moon15:08 – 16:14
- 9♄︎ Saturn16:14 – 17:19
- 10♃︎ Jupiter17:19 – 18:24
- 11♂︎ Mars18:24 – 19:29
- 12☉︎ Sun19:29 – 20:34
Night
- 1♀︎ Venus20:34 – 21:29
- 2☿︎ Mercury21:29 – 22:24
- 3☽︎ Moon22:24 – 23:19
- 4♄︎ Saturn23:19 – 00:14
- 5♃︎ Jupiter00:14 – 01:09
- 6♂︎ Mars01:09 – 02:04
- 7☉︎ Sun02:04 – 02:59
- 8♀︎ Venus02:59 – 03:54
- 9☿︎ Mercury03:54 – 04:49
- 10☽︎ Moon04:49 – 05:44
- 11♄︎ Saturn05:44 – 06:39
- 12♃︎ Jupiter06:39 – 07:34
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Monday, 7 September 2026, the Sun rises at 07:33 and sets at 20:34: the day lasts 13h 02m, that is twelve day hours of 1h 05m. The night, until the next sunrise at 07:34, lasts 11h 00m: twelve night hours of 55 min.
Which planet rules the first hour that day?
The Moon, from 07:33 to 08:38: 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.