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, 15 October 2025: day of Mercury
- Sunrise
- 08:21
- Sunset
- 19:18
- Next sunrise
- 08:23
A day hour lasts 55 min; a night hour, 1h 05m. Local time (Europe/Paris).
Day
- 1☿︎ Mercury08:21 – 09:16
- 2☽︎ Moon09:16 – 10:11
- 3♄︎ Saturn10:11 – 11:05
- 4♃︎ Jupiter11:05 – 12:00
- 5♂︎ Mars12:00 – 12:55
- 6☉︎ Sun12:55 – 13:49
- 7♀︎ Venus13:49 – 14:44
- 8☿︎ Mercury14:44 – 15:39
- 9☽︎ Moon15:39 – 16:34
- 10♄︎ Saturn16:34 – 17:28
- 11♃︎ Jupiter17:28 – 18:23
- 12♂︎ Mars18:23 – 19:18
Night
- 1☉︎ Sun19:18 – 20:23
- 2♀︎ Venus20:23 – 21:28
- 3☿︎ Mercury21:28 – 22:34
- 4☽︎ Moon22:34 – 23:39
- 5♄︎ Saturn23:39 – 00:45
- 6♃︎ Jupiter00:45 – 01:50
- 7♂︎ Mars01:50 – 02:56
- 8☉︎ Sun02:56 – 04:01
- 9♀︎ Venus04:01 – 05:06
- 10☿︎ Mercury05:06 – 06:12
- 11☽︎ Moon06:12 – 07:17
- 12♄︎ Saturn07:17 – 08:23
Other cities · France
Questions
How are the planetary hours calculated in La Rochelle?
On Wednesday, 15 October 2025, the Sun rises at 08:21 and sets at 19:18: the day lasts 10h 56m, that is twelve day hours of 55 min. The night, until the next sunrise at 08:23, lasts 13h 05m: twelve night hours of 1h 05m.
Which planet rules the first hour that day?
Mercury, from 08:21 to 09:16: 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.