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 Tuesday, 8 July 2025: day of Mars
- Sunrise
- 06:19
- Sunset
- 22:02
- Next sunrise
- 06:20
A day hour lasts 1h 19m; a night hour, 41 min. Local time (Europe/Paris).
Day
- 1♂︎ Mars06:19 – 07:37
- 2☉︎ Sun07:37 – 08:56
- 3♀︎ Venus08:56 – 10:15
- 4☿︎ Mercury10:15 – 11:33
- 5☽︎ Moon11:33 – 12:52
- 6♄︎ Saturn12:52 – 14:11
- 7♃︎ Jupiter14:11 – 15:29
- 8♂︎ Mars15:29 – 16:48
- 9☉︎ Sun16:48 – 18:07
- 10♀︎ Venus18:07 – 19:25
- 11☿︎ Mercury19:25 – 20:44
- 12☽︎ Moon20:44 – 22:02
Night
- 1♄︎ Saturn22:02 – 22:44
- 2♃︎ Jupiter22:44 – 23:25
- 3♂︎ Mars23:25 – 00:07
- 4☉︎ Sun00:07 – 00:48
- 5♀︎ Venus00:48 – 01:30
- 6☿︎ Mercury01:30 – 02:11
- 7☽︎ Moon02:11 – 02:52
- 8♄︎ Saturn02:52 – 03:34
- 9♃︎ Jupiter03:34 – 04:15
- 10♂︎ Mars04:15 – 04:57
- 11☉︎ Sun04:57 – 05:38
- 12♀︎ Venus05:38 – 06:20
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Tuesday, 8 July 2025, the Sun rises at 06:19 and sets at 22:02: the day lasts 15h 44m, that is twelve day hours of 1h 19m. The night, until the next sunrise at 06:20, lasts 8h 17m: twelve night hours of 41 min.
Which planet rules the first hour that day?
Mars, from 06:19 to 07:37: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Sun, Venus, Mercury, the Moon, Saturn, Jupiter, then Mars 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.