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, 25 October 2026: day of the Sun
- Sunrise
- 07:38
- Sunset
- 18:01
- Next sunrise
- 07:40
A day hour lasts 52 min; a night hour, 1h 08m. Local time (Europe/Paris).
Day
- 1☉︎ Sun07:38 – 08:30
- 2♀︎ Venus08:30 – 09:22
- 3☿︎ Mercury09:22 – 10:14
- 4☽︎ Moon10:14 – 11:06
- 5♄︎ Saturn11:06 – 11:58
- 6♃︎ Jupiter11:58 – 12:49
- 7♂︎ Mars12:49 – 13:41
- 8☉︎ Sun13:41 – 14:33
- 9♀︎ Venus14:33 – 15:25
- 10☿︎ Mercury15:25 – 16:17
- 11☽︎ Moon16:17 – 17:09
- 12♄︎ Saturn17:09 – 18:01
Night
- 1♃︎ Jupiter18:01 – 19:09
- 2♂︎ Mars19:09 – 20:17
- 3☉︎ Sun20:17 – 21:25
- 4♀︎ Venus21:25 – 22:34
- 5☿︎ Mercury22:34 – 23:42
- 6☽︎ Moon23:42 – 00:50
- 7♄︎ Saturn00:50 – 01:58
- 8♃︎ Jupiter01:58 – 03:07
- 9♂︎ Mars03:07 – 04:15
- 10☉︎ Sun04:15 – 05:23
- 11♀︎ Venus05:23 – 06:32
- 12☿︎ Mercury06:32 – 07:40
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Sunday, 25 October 2026, the Sun rises at 07:38 and sets at 18:01: the day lasts 10h 22m, that is twelve day hours of 52 min. The night, until the next sunrise at 07:40, lasts 13h 39m: twelve night hours of 1h 08m.
Which planet rules the first hour that day?
The Sun, from 07:38 to 08:30: 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.