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, 23 January 2025: day of Jupiter
- Sunrise
- 08:41
- Sunset
- 17:54
- Next sunrise
- 08:40
A day hour lasts 46 min; a night hour, 1h 14m. Local time (Europe/Paris).
Day
- 1♃︎ Jupiter08:41 – 09:27
- 2♂︎ Mars09:27 – 10:13
- 3☉︎ Sun10:13 – 11:00
- 4♀︎ Venus11:00 – 11:46
- 5☿︎ Mercury11:46 – 12:32
- 6☽︎ Moon12:32 – 13:18
- 7♄︎ Saturn13:18 – 14:04
- 8♃︎ Jupiter14:04 – 14:50
- 9♂︎ Mars14:50 – 15:36
- 10☉︎ Sun15:36 – 16:22
- 11♀︎ Venus16:22 – 17:08
- 12☿︎ Mercury17:08 – 17:54
Night
- 1☽︎ Moon17:54 – 19:08
- 2♄︎ Saturn19:08 – 20:22
- 3♃︎ Jupiter20:22 – 21:36
- 4♂︎ Mars21:36 – 22:50
- 5☉︎ Sun22:50 – 00:04
- 6♀︎ Venus00:04 – 01:17
- 7☿︎ Mercury01:17 – 02:31
- 8☽︎ Moon02:31 – 03:45
- 9♄︎ Saturn03:45 – 04:59
- 10♃︎ Jupiter04:59 – 06:13
- 11♂︎ Mars06:13 – 07:26
- 12☉︎ Sun07:26 – 08:40
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Thursday, 23 January 2025, the Sun rises at 08:41 and sets at 17:54: the day lasts 9h 13m, that is twelve day hours of 46 min. The night, until the next sunrise at 08:40, lasts 14h 46m: twelve night hours of 1h 14m.
Which planet rules the first hour that day?
Jupiter, from 08:41 to 09:27: 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.