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, 16 December 2026: day of Mercury
- Sunrise
- 08:40
- Sunset
- 17:19
- Next sunrise
- 08:41
A day hour lasts 43 min; a night hour, 1h 17m. Local time (Europe/Paris).
Day
- 1☿︎ Mercury08:40 – 09:24
- 2☽︎ Moon09:24 – 10:07
- 3♄︎ Saturn10:07 – 10:50
- 4♃︎ Jupiter10:50 – 11:33
- 5♂︎ Mars11:33 – 12:16
- 6☉︎ Sun12:16 – 13:00
- 7♀︎ Venus13:00 – 13:43
- 8☿︎ Mercury13:43 – 14:26
- 9☽︎ Moon14:26 – 15:09
- 10♄︎ Saturn15:09 – 15:52
- 11♃︎ Jupiter15:52 – 16:36
- 12♂︎ Mars16:36 – 17:19
Night
- 1☉︎ Sun17:19 – 18:36
- 2♀︎ Venus18:36 – 19:53
- 3☿︎ Mercury19:53 – 21:09
- 4☽︎ Moon21:09 – 22:26
- 5♄︎ Saturn22:26 – 23:43
- 6♃︎ Jupiter23:43 – 01:00
- 7♂︎ Mars01:00 – 02:17
- 8☉︎ Sun02:17 – 03:34
- 9♀︎ Venus03:34 – 04:51
- 10☿︎ Mercury04:51 – 06:07
- 11☽︎ Moon06:07 – 07:24
- 12♄︎ Saturn07:24 – 08:41
Other cities · France
Questions
How are the planetary hours calculated in La Rochelle?
On Wednesday, 16 December 2026, the Sun rises at 08:40 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 08:41, lasts 15h 22m: twelve night hours of 1h 17m.
Which planet rules the first hour that day?
Mercury, from 08:40 to 09:24: 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.