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 Thursday, 17 December 2026: day of Jupiter
- Sunrise
- 08:41
- Sunset
- 17:19
- Next sunrise
- 08:42
A day hour lasts 43 min; a night hour, 1h 17m. Local time (Europe/Paris).
Day
- 1♃︎ Jupiter08:41 – 09:24
- 2♂︎ Mars09:24 – 10:07
- 3☉︎ Sun10:07 – 10:51
- 4♀︎ Venus10:51 – 11:34
- 5☿︎ Mercury11:34 – 12:17
- 6☽︎ Moon12:17 – 13:00
- 7♄︎ Saturn13:00 – 13:43
- 8♃︎ Jupiter13:43 – 14:26
- 9♂︎ Mars14:26 – 15:10
- 10☉︎ Sun15:10 – 15:53
- 11♀︎ Venus15:53 – 16:36
- 12☿︎ Mercury16:36 – 17:19
Night
- 1☽︎ Moon17:19 – 18:36
- 2♄︎ Saturn18:36 – 19:53
- 3♃︎ Jupiter19:53 – 21:10
- 4♂︎ Mars21:10 – 22:27
- 5☉︎ Sun22:27 – 23:44
- 6♀︎ Venus23:44 – 01:00
- 7☿︎ Mercury01:00 – 02:17
- 8☽︎ Moon02:17 – 03:34
- 9♄︎ Saturn03:34 – 04:51
- 10♃︎ Jupiter04:51 – 06:08
- 11♂︎ Mars06:08 – 07:25
- 12☉︎ Sun07:25 – 08:42
Other cities · France
Questions
How are the planetary hours calculated in La Rochelle?
On Thursday, 17 December 2026, the Sun rises at 08:41 and sets at 17:19: the day lasts 8h 38m, that is twelve day hours of 43 min. The night, until the next sunrise at 08:42, lasts 15h 23m: twelve night hours of 1h 17m.
Which planet rules the first hour that day?
Jupiter, from 08:41 to 09:24: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mars, the Sun, Venus, Mercury, the Moon, Saturn, then Jupiter 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.