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 Wednesday, 3 December 2025: day of Mercury
- Sunrise
- 08:28
- Sunset
- 17:19
- Next sunrise
- 08:30
A day hour lasts 44 min; a night hour, 1h 16m. Local time (Europe/Paris).
Day
- 1☿︎ Mercury08:28 – 09:13
- 2☽︎ Moon09:13 – 09:57
- 3♄︎ Saturn09:57 – 10:41
- 4♃︎ Jupiter10:41 – 11:25
- 5♂︎ Mars11:25 – 12:10
- 6☉︎ Sun12:10 – 12:54
- 7♀︎ Venus12:54 – 13:38
- 8☿︎ Mercury13:38 – 14:22
- 9☽︎ Moon14:22 – 15:07
- 10♄︎ Saturn15:07 – 15:51
- 11♃︎ Jupiter15:51 – 16:35
- 12♂︎ Mars16:35 – 17:19
Night
- 1☉︎ Sun17:19 – 18:35
- 2♀︎ Venus18:35 – 19:51
- 3☿︎ Mercury19:51 – 21:07
- 4☽︎ Moon21:07 – 22:23
- 5♄︎ Saturn22:23 – 23:39
- 6♃︎ Jupiter23:39 – 00:54
- 7♂︎ Mars00:54 – 02:10
- 8☉︎ Sun02:10 – 03:26
- 9♀︎ Venus03:26 – 04:42
- 10☿︎ Mercury04:42 – 05:58
- 11☽︎ Moon05:58 – 07:14
- 12♄︎ Saturn07:14 – 08:30
Other cities · France
Questions
How are the planetary hours calculated in La Rochelle?
On Wednesday, 3 December 2025, the Sun rises at 08:28 and sets at 17:19: the day lasts 8h 51m, that is twelve day hours of 44 min. The night, until the next sunrise at 08:30, lasts 15h 10m: twelve night hours of 1h 16m.
Which planet rules the first hour that day?
Mercury, from 08:28 to 09:13: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Moon, Saturn, Jupiter, Mars, the Sun, Venus, then Mercury 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.