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 Friday, 18 December 2026: day of Venus
- Sunrise
- 08:42
- Sunset
- 17:19
- Next sunrise
- 08:42
A day hour lasts 43 min; a night hour, 1h 17m. Local time (Europe/Paris).
Day
- 1♀︎ Venus08:42 – 09:25
- 2☿︎ Mercury09:25 – 10:08
- 3☽︎ Moon10:08 – 10:51
- 4♄︎ Saturn10:51 – 11:34
- 5♃︎ Jupiter11:34 – 12:18
- 6♂︎ Mars12:18 – 13:01
- 7☉︎ Sun13:01 – 13:44
- 8♀︎ Venus13:44 – 14:27
- 9☿︎ Mercury14:27 – 15:10
- 10☽︎ Moon15:10 – 15:53
- 11♄︎ Saturn15:53 – 16:36
- 12♃︎ Jupiter16:36 – 17:19
Night
- 1♂︎ Mars17:19 – 18:36
- 2☉︎ Sun18:36 – 19:53
- 3♀︎ Venus19:53 – 21:10
- 4☿︎ Mercury21:10 – 22:27
- 5☽︎ Moon22:27 – 23:44
- 6♄︎ Saturn23:44 – 01:01
- 7♃︎ Jupiter01:01 – 02:18
- 8♂︎ Mars02:18 – 03:35
- 9☉︎ Sun03:35 – 04:52
- 10♀︎ Venus04:52 – 06:09
- 11☿︎ Mercury06:09 – 07:26
- 12☽︎ Moon07:26 – 08:42
Other cities · France
Questions
How are the planetary hours calculated in La Rochelle?
On Friday, 18 December 2026, the Sun rises at 08:42 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?
Venus, from 08:42 to 09:25: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mercury, the Moon, Saturn, Jupiter, Mars, the Sun, then Venus 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.