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 Thursday, 29 October 2026: day of Jupiter
- Sunrise
- 07:44
- Sunset
- 17:54
- Next sunrise
- 07:46
A day hour lasts 51 min; a night hour, 1h 09m. Local time (Europe/Paris).
Day
- 1♃︎ Jupiter07:44 – 08:35
- 2♂︎ Mars08:35 – 09:26
- 3☉︎ Sun09:26 – 10:17
- 4♀︎ Venus10:17 – 11:07
- 5☿︎ Mercury11:07 – 11:58
- 6☽︎ Moon11:58 – 12:49
- 7♄︎ Saturn12:49 – 13:40
- 8♃︎ Jupiter13:40 – 14:31
- 9♂︎ Mars14:31 – 15:22
- 10☉︎ Sun15:22 – 16:12
- 11♀︎ Venus16:12 – 17:03
- 12☿︎ Mercury17:03 – 17:54
Night
- 1☽︎ Moon17:54 – 19:03
- 2♄︎ Saturn19:03 – 20:13
- 3♃︎ Jupiter20:13 – 21:22
- 4♂︎ Mars21:22 – 22:31
- 5☉︎ Sun22:31 – 23:41
- 6♀︎ Venus23:41 – 00:50
- 7☿︎ Mercury00:50 – 01:59
- 8☽︎ Moon01:59 – 03:08
- 9♄︎ Saturn03:08 – 04:18
- 10♃︎ Jupiter04:18 – 05:27
- 11♂︎ Mars05:27 – 06:36
- 12☉︎ Sun06:36 – 07:46
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Thursday, 29 October 2026, the Sun rises at 07:44 and sets at 17:54: the day lasts 10h 10m, that is twelve day hours of 51 min. The night, until the next sunrise at 07:46, lasts 13h 52m: twelve night hours of 1h 09m.
Which planet rules the first hour that day?
Jupiter, from 07:44 to 08:35: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mars, the Sun, Venus, Mercury, the Moon, Saturn, then Jupiter 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.