Planetary hours
in La Rochelle.
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
- 08:45
- Sunset
- 17:22
- Next sunrise
- 08:45
A day hour lasts 43 min; a night hour, 1h 17m. Local time (Europe/Paris).
Day
- 1♂︎ Mars08:45 – 09:28
- 2☉︎ Sun09:28 – 10:11
- 3♀︎ Venus10:11 – 10:54
- 4☿︎ Mercury10:54 – 11:37
- 5☽︎ Moon11:37 – 12:20
- 6♄︎ Saturn12:20 – 13:03
- 7♃︎ Jupiter13:03 – 13:46
- 8♂︎ Mars13:46 – 14:30
- 9☉︎ Sun14:30 – 15:13
- 10♀︎ Venus15:13 – 15:56
- 11☿︎ Mercury15:56 – 16:39
- 12☽︎ Moon16:39 – 17:22
Night
- 1♄︎ Saturn17:22 – 18:39
- 2♃︎ Jupiter18:39 – 19:56
- 3♂︎ Mars19:56 – 21:13
- 4☉︎ Sun21:13 – 22:30
- 5♀︎ Venus22:30 – 23:47
- 6☿︎ Mercury23:47 – 01:03
- 7☽︎ Moon01:03 – 02:20
- 8♄︎ Saturn02:20 – 03:37
- 9♃︎ Jupiter03:37 – 04:54
- 10♂︎ Mars04:54 – 06:11
- 11☉︎ Sun06:11 – 07:28
- 12♀︎ Venus07:28 – 08:45
Other cities · France
Questions
How are the planetary hours calculated in La Rochelle?
On Tuesday, 23 December 2025, the Sun rises at 08:45 and sets at 17:22: the day lasts 8h 37m, that is twelve day hours of 43 min. The night, until the next sunrise at 08:45, lasts 15h 23m: twelve night hours of 1h 17m.
Which planet rules the first hour that day?
Mars, from 08:45 to 09:28: 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.