Planetary hours
in Cergy-Pontoise.
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, 2 December 2026: day of Mercury
- Sunrise
- 08:25
- Sunset
- 16:56
- Next sunrise
- 08:26
A day hour lasts 43 min; a night hour, 1h 18m. Local time (Europe/Paris).
Day
- 1☿︎ Mercury08:25 – 09:08
- 2☽︎ Moon09:08 – 09:50
- 3♄︎ Saturn09:50 – 10:33
- 4♃︎ Jupiter10:33 – 11:15
- 5♂︎ Mars11:15 – 11:58
- 6☉︎ Sun11:58 – 12:40
- 7♀︎ Venus12:40 – 13:23
- 8☿︎ Mercury13:23 – 14:06
- 9☽︎ Moon14:06 – 14:48
- 10♄︎ Saturn14:48 – 15:31
- 11♃︎ Jupiter15:31 – 16:13
- 12♂︎ Mars16:13 – 16:56
Night
- 1☉︎ Sun16:56 – 18:13
- 2♀︎ Venus18:13 – 19:31
- 3☿︎ Mercury19:31 – 20:48
- 4☽︎ Moon20:48 – 22:06
- 5♄︎ Saturn22:06 – 23:23
- 6♃︎ Jupiter23:23 – 00:41
- 7♂︎ Mars00:41 – 01:59
- 8☉︎ Sun01:59 – 03:16
- 9♀︎ Venus03:16 – 04:34
- 10☿︎ Mercury04:34 – 05:51
- 11☽︎ Moon05:51 – 07:09
- 12♄︎ Saturn07:09 – 08:26
Other cities · France
Questions
How are the planetary hours calculated in Cergy-Pontoise?
On Wednesday, 2 December 2026, the Sun rises at 08:25 and sets at 16:56: the day lasts 8h 31m, that is twelve day hours of 43 min. The night, until the next sunrise at 08:26, lasts 15h 31m: twelve night hours of 1h 18m.
Which planet rules the first hour that day?
Mercury, from 08:25 to 09:08: 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.