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 Sunday, 1 February 2026: day of the Sun
- Sunrise
- 08:31
- Sunset
- 18:08
- Next sunrise
- 08:30
A day hour lasts 48 min; a night hour, 1h 12m. Local time (Europe/Paris).
Day
- 1☉︎ Sun08:31 – 09:19
- 2♀︎ Venus09:19 – 10:07
- 3☿︎ Mercury10:07 – 10:55
- 4☽︎ Moon10:55 – 11:43
- 5♄︎ Saturn11:43 – 12:32
- 6♃︎ Jupiter12:32 – 13:20
- 7♂︎ Mars13:20 – 14:08
- 8☉︎ Sun14:08 – 14:56
- 9♀︎ Venus14:56 – 15:44
- 10☿︎ Mercury15:44 – 16:32
- 11☽︎ Moon16:32 – 17:20
- 12♄︎ Saturn17:20 – 18:08
Night
- 1♃︎ Jupiter18:08 – 19:20
- 2♂︎ Mars19:20 – 20:31
- 3☉︎ Sun20:31 – 21:43
- 4♀︎ Venus21:43 – 22:55
- 5☿︎ Mercury22:55 – 00:07
- 6☽︎ Moon00:07 – 01:19
- 7♄︎ Saturn01:19 – 02:31
- 8♃︎ Jupiter02:31 – 03:43
- 9♂︎ Mars03:43 – 04:54
- 10☉︎ Sun04:54 – 06:06
- 11♀︎ Venus06:06 – 07:18
- 12☿︎ Mercury07:18 – 08:30
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Sunday, 1 February 2026, the Sun rises at 08:31 and sets at 18:08: the day lasts 9h 36m, that is twelve day hours of 48 min. The night, until the next sunrise at 08:30, lasts 14h 22m: twelve night hours of 1h 12m.
Which planet rules the first hour that day?
The Sun, from 08:31 to 09:19: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Venus, Mercury, the Moon, Saturn, Jupiter, Mars, then the Sun 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.