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, 10 August 2026: day of the Moon
- Sunrise
- 06:56
- Sunset
- 21:26
- Next sunrise
- 06:57
A day hour lasts 1h 12m; a night hour, 48 min. Local time (Europe/Paris).
Day
- 1☽︎ Moon06:56 – 08:08
- 2♄︎ Saturn08:08 – 09:21
- 3♃︎ Jupiter09:21 – 10:33
- 4♂︎ Mars10:33 – 11:46
- 5☉︎ Sun11:46 – 12:58
- 6♀︎ Venus12:58 – 14:11
- 7☿︎ Mercury14:11 – 15:23
- 8☽︎ Moon15:23 – 16:36
- 9♄︎ Saturn16:36 – 17:48
- 10♃︎ Jupiter17:48 – 19:01
- 11♂︎ Mars19:01 – 20:13
- 12☉︎ Sun20:13 – 21:26
Night
- 1♀︎ Venus21:26 – 22:13
- 2☿︎ Mercury22:13 – 23:01
- 3☽︎ Moon23:01 – 23:48
- 4♄︎ Saturn23:48 – 00:36
- 5♃︎ Jupiter00:36 – 01:24
- 6♂︎ Mars01:24 – 02:11
- 7☉︎ Sun02:11 – 02:59
- 8♀︎ Venus02:59 – 03:47
- 9☿︎ Mercury03:47 – 04:34
- 10☽︎ Moon04:34 – 05:22
- 11♄︎ Saturn05:22 – 06:09
- 12♃︎ Jupiter06:09 – 06:57
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Monday, 10 August 2026, the Sun rises at 06:56 and sets at 21:26: the day lasts 14h 30m, that is twelve day hours of 1h 12m. The night, until the next sunrise at 06:57, lasts 9h 31m: twelve night hours of 48 min.
Which planet rules the first hour that day?
The Moon, from 06:56 to 08:08: 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.