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, 8 October 2025: day of Mercury
- Sunrise
- 08:12
- Sunset
- 19:30
- Next sunrise
- 08:13
A day hour lasts 57 min; a night hour, 1h 04m. Local time (Europe/Paris).
Day
- 1☿︎ Mercury08:12 – 09:08
- 2☽︎ Moon09:08 – 10:05
- 3♄︎ Saturn10:05 – 11:02
- 4♃︎ Jupiter11:02 – 11:58
- 5♂︎ Mars11:58 – 12:55
- 6☉︎ Sun12:55 – 13:51
- 7♀︎ Venus13:51 – 14:48
- 8☿︎ Mercury14:48 – 15:44
- 9☽︎ Moon15:44 – 16:41
- 10♄︎ Saturn16:41 – 17:37
- 11♃︎ Jupiter17:37 – 18:34
- 12♂︎ Mars18:34 – 19:30
Night
- 1☉︎ Sun19:30 – 20:34
- 2♀︎ Venus20:34 – 21:38
- 3☿︎ Mercury21:38 – 22:41
- 4☽︎ Moon22:41 – 23:45
- 5♄︎ Saturn23:45 – 00:48
- 6♃︎ Jupiter00:48 – 01:52
- 7♂︎ Mars01:52 – 02:55
- 8☉︎ Sun02:55 – 03:59
- 9♀︎ Venus03:59 – 05:03
- 10☿︎ Mercury05:03 – 06:06
- 11☽︎ Moon06:06 – 07:10
- 12♄︎ Saturn07:10 – 08:13
Other cities · France
Questions
How are the planetary hours calculated in La Rochelle?
On Wednesday, 8 October 2025, the Sun rises at 08:12 and sets at 19:30: the day lasts 11h 19m, that is twelve day hours of 57 min. The night, until the next sunrise at 08:13, lasts 12h 43m: twelve night hours of 1h 04m.
Which planet rules the first hour that day?
Mercury, from 08:12 to 09:08: 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.