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 Saturday, 12 December 2026: day of Saturn
- Sunrise
- 08:37
- Sunset
- 17:18
- Next sunrise
- 08:38
A day hour lasts 43 min; a night hour, 1h 17m. Local time (Europe/Paris).
Day
- 1♄︎ Saturn08:37 – 09:21
- 2♃︎ Jupiter09:21 – 10:04
- 3♂︎ Mars10:04 – 10:47
- 4☉︎ Sun10:47 – 11:31
- 5♀︎ Venus11:31 – 12:14
- 6☿︎ Mercury12:14 – 12:58
- 7☽︎ Moon12:58 – 13:41
- 8♄︎ Saturn13:41 – 14:25
- 9♃︎ Jupiter14:25 – 15:08
- 10♂︎ Mars15:08 – 15:51
- 11☉︎ Sun15:51 – 16:35
- 12♀︎ Venus16:35 – 17:18
Night
- 1☿︎ Mercury17:18 – 18:35
- 2☽︎ Moon18:35 – 19:51
- 3♄︎ Saturn19:51 – 21:08
- 4♃︎ Jupiter21:08 – 22:25
- 5♂︎ Mars22:25 – 23:41
- 6☉︎ Sun23:41 – 00:58
- 7♀︎ Venus00:58 – 02:15
- 8☿︎ Mercury02:15 – 03:31
- 9☽︎ Moon03:31 – 04:48
- 10♄︎ Saturn04:48 – 06:05
- 11♃︎ Jupiter06:05 – 07:21
- 12♂︎ Mars07:21 – 08:38
Other cities · France
Questions
How are the planetary hours calculated in La Rochelle?
On Saturday, 12 December 2026, the Sun rises at 08:37 and sets at 17:18: the day lasts 8h 41m, that is twelve day hours of 43 min. The night, until the next sunrise at 08:38, lasts 15h 20m: twelve night hours of 1h 17m.
Which planet rules the first hour that day?
Saturn, from 08:37 to 09:21: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Jupiter, Mars, the Sun, Venus, Mercury, the Moon, then Saturn 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.