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, 23 December 2025: day of Mars
- Sunrise
- 08:26
- Sunset
- 16:42
- Next sunrise
- 08:26
A day hour lasts 41 min; a night hour, 1h 19m. Local time (Europe/Paris).
Day
- 1♂︎ Mars08:26 – 09:07
- 2☉︎ Sun09:07 – 09:48
- 3♀︎ Venus09:48 – 10:30
- 4☿︎ Mercury10:30 – 11:11
- 5☽︎ Moon11:11 – 11:53
- 6♄︎ Saturn11:53 – 12:34
- 7♃︎ Jupiter12:34 – 13:15
- 8♂︎ Mars13:15 – 13:57
- 9☉︎ Sun13:57 – 14:38
- 10♀︎ Venus14:38 – 15:19
- 11☿︎ Mercury15:19 – 16:01
- 12☽︎ Moon16:01 – 16:42
Night
- 1♄︎ Saturn16:42 – 18:01
- 2♃︎ Jupiter18:01 – 19:20
- 3♂︎ Mars19:20 – 20:38
- 4☉︎ Sun20:38 – 21:57
- 5♀︎ Venus21:57 – 23:16
- 6☿︎ Mercury23:16 – 00:34
- 7☽︎ Moon00:34 – 01:53
- 8♄︎ Saturn01:53 – 03:11
- 9♃︎ Jupiter03:11 – 04:30
- 10♂︎ Mars04:30 – 05:49
- 11☉︎ Sun05:49 – 07:07
- 12♀︎ Venus07:07 – 08:26
Other cities · France
Questions
How are the planetary hours calculated in Nancy?
On Tuesday, 23 December 2025, the Sun rises at 08:26 and sets at 16:42: the day lasts 8h 17m, that is twelve day hours of 41 min. The night, until the next sunrise at 08:26, lasts 15h 44m: twelve night hours of 1h 19m.
Which planet rules the first hour that day?
Mars, from 08:26 to 09:07: 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.