Planetary hours
in Nancy.
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, 9 December 2025: day of Mars
- Sunrise
- 08:15
- Sunset
- 16:39
- Next sunrise
- 08:16
A day hour lasts 42 min; a night hour, 1h 18m. Local time (Europe/Paris).
Day
- 1♂︎ Mars08:15 – 08:57
- 2☉︎ Sun08:57 – 09:39
- 3♀︎ Venus09:39 – 10:21
- 4☿︎ Mercury10:21 – 11:03
- 5☽︎ Moon11:03 – 11:45
- 6♄︎ Saturn11:45 – 12:27
- 7♃︎ Jupiter12:27 – 13:09
- 8♂︎ Mars13:09 – 13:51
- 9☉︎ Sun13:51 – 14:33
- 10♀︎ Venus14:33 – 15:15
- 11☿︎ Mercury15:15 – 15:57
- 12☽︎ Moon15:57 – 16:39
Night
- 1♄︎ Saturn16:39 – 17:57
- 2♃︎ Jupiter17:57 – 19:15
- 3♂︎ Mars19:15 – 20:33
- 4☉︎ Sun20:33 – 21:51
- 5♀︎ Venus21:51 – 23:09
- 6☿︎ Mercury23:09 – 00:28
- 7☽︎ Moon00:28 – 01:46
- 8♄︎ Saturn01:46 – 03:04
- 9♃︎ Jupiter03:04 – 04:22
- 10♂︎ Mars04:22 – 05:40
- 11☉︎ Sun05:40 – 06:58
- 12♀︎ Venus06:58 – 08:16
Other cities · France
Questions
How are the planetary hours calculated in Nancy?
On Tuesday, 9 December 2025, the Sun rises at 08:15 and sets at 16:39: the day lasts 8h 23m, that is twelve day hours of 42 min. The night, until the next sunrise at 08:16, lasts 15h 38m: twelve night hours of 1h 18m.
Which planet rules the first hour that day?
Mars, from 08:15 to 08:57: 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.