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 Tuesday, 1 December 2026: day of Mars
- Sunrise
- 08:31
- Sunset
- 17:18
- Next sunrise
- 08:33
A day hour lasts 44 min; a night hour, 1h 16m. Local time (Europe/Paris).
Day
- 1♂︎ Mars08:31 – 09:15
- 2☉︎ Sun09:15 – 09:59
- 3♀︎ Venus09:59 – 10:43
- 4☿︎ Mercury10:43 – 11:27
- 5☽︎ Moon11:27 – 12:11
- 6♄︎ Saturn12:11 – 12:55
- 7♃︎ Jupiter12:55 – 13:38
- 8♂︎ Mars13:38 – 14:22
- 9☉︎ Sun14:22 – 15:06
- 10♀︎ Venus15:06 – 15:50
- 11☿︎ Mercury15:50 – 16:34
- 12☽︎ Moon16:34 – 17:18
Night
- 1♄︎ Saturn17:18 – 18:34
- 2♃︎ Jupiter18:34 – 19:50
- 3♂︎ Mars19:50 – 21:06
- 4☉︎ Sun21:06 – 22:23
- 5♀︎ Venus22:23 – 23:39
- 6☿︎ Mercury23:39 – 00:55
- 7☽︎ Moon00:55 – 02:11
- 8♄︎ Saturn02:11 – 03:28
- 9♃︎ Jupiter03:28 – 04:44
- 10♂︎ Mars04:44 – 06:00
- 11☉︎ Sun06:00 – 07:16
- 12♀︎ Venus07:16 – 08:33
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Tuesday, 1 December 2026, the Sun rises at 08:31 and sets at 17:18: the day lasts 8h 46m, that is twelve day hours of 44 min. The night, until the next sunrise at 08:33, lasts 15h 15m: twelve night hours of 1h 16m.
Which planet rules the first hour that day?
Mars, from 08:31 to 09:15: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Sun, Venus, Mercury, the Moon, Saturn, Jupiter, then Mars 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.