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, 3 August 2025: day of the Sun
- Sunrise
- 06:47
- Sunset
- 21:36
- Next sunrise
- 06:48
A day hour lasts 1h 14m; a night hour, 46 min. Local time (Europe/Paris).
Day
- 1☉︎ Sun06:47 – 08:01
- 2♀︎ Venus08:01 – 09:15
- 3☿︎ Mercury09:15 – 10:29
- 4☽︎ Moon10:29 – 11:43
- 5♄︎ Saturn11:43 – 12:57
- 6♃︎ Jupiter12:57 – 14:11
- 7♂︎ Mars14:11 – 15:26
- 8☉︎ Sun15:26 – 16:40
- 9♀︎ Venus16:40 – 17:54
- 10☿︎ Mercury17:54 – 19:08
- 11☽︎ Moon19:08 – 20:22
- 12♄︎ Saturn20:22 – 21:36
Night
- 1♃︎ Jupiter21:36 – 22:22
- 2♂︎ Mars22:22 – 23:08
- 3☉︎ Sun23:08 – 23:54
- 4♀︎ Venus23:54 – 00:40
- 5☿︎ Mercury00:40 – 01:26
- 6☽︎ Moon01:26 – 02:12
- 7♄︎ Saturn02:12 – 02:58
- 8♃︎ Jupiter02:58 – 03:44
- 9♂︎ Mars03:44 – 04:30
- 10☉︎ Sun04:30 – 05:16
- 11♀︎ Venus05:16 – 06:02
- 12☿︎ Mercury06:02 – 06:48
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Sunday, 3 August 2025, the Sun rises at 06:47 and sets at 21:36: the day lasts 14h 49m, that is twelve day hours of 1h 14m. The night, until the next sunrise at 06:48, lasts 9h 12m: twelve night hours of 46 min.
Which planet rules the first hour that day?
The Sun, from 06:47 to 08:01: 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.