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 Saturday, 25 July 2026: day of Saturn
- Sunrise
- 06:36
- Sunset
- 21:48
- Next sunrise
- 06:37
A day hour lasts 1h 16m; a night hour, 44 min. Local time (Europe/Paris).
Day
- 1♄︎ Saturn06:36 – 07:52
- 2♃︎ Jupiter07:52 – 09:08
- 3♂︎ Mars09:08 – 10:24
- 4☉︎ Sun10:24 – 11:40
- 5♀︎ Venus11:40 – 12:56
- 6☿︎ Mercury12:56 – 14:12
- 7☽︎ Moon14:12 – 15:28
- 8♄︎ Saturn15:28 – 16:44
- 9♃︎ Jupiter16:44 – 18:00
- 10♂︎ Mars18:00 – 19:16
- 11☉︎ Sun19:16 – 20:32
- 12♀︎ Venus20:32 – 21:48
Night
- 1☿︎ Mercury21:48 – 22:32
- 2☽︎ Moon22:32 – 23:16
- 3♄︎ Saturn23:16 – 00:00
- 4♃︎ Jupiter00:00 – 00:44
- 5♂︎ Mars00:44 – 01:28
- 6☉︎ Sun01:28 – 02:12
- 7♀︎ Venus02:12 – 02:57
- 8☿︎ Mercury02:57 – 03:41
- 9☽︎ Moon03:41 – 04:25
- 10♄︎ Saturn04:25 – 05:09
- 11♃︎ Jupiter05:09 – 05:53
- 12♂︎ Mars05:53 – 06:37
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Saturday, 25 July 2026, the Sun rises at 06:36 and sets at 21:48: the day lasts 15h 12m, that is twelve day hours of 1h 16m. The night, until the next sunrise at 06:37, lasts 8h 49m: twelve night hours of 44 min.
Which planet rules the first hour that day?
Saturn, from 06:36 to 07:52: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Jupiter, Mars, the Sun, Venus, Mercury, the Moon, then Saturn 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.