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 Thursday, 3 December 2026: day of Jupiter
- Sunrise
- 08:26
- Sunset
- 16:55
- Next sunrise
- 08:28
A day hour lasts 42 min; a night hour, 1h 18m. Local time (Europe/Paris).
Day
- 1♃︎ Jupiter08:26 – 09:09
- 2♂︎ Mars09:09 – 09:51
- 3☉︎ Sun09:51 – 10:34
- 4♀︎ Venus10:34 – 11:16
- 5☿︎ Mercury11:16 – 11:58
- 6☽︎ Moon11:58 – 12:41
- 7♄︎ Saturn12:41 – 13:23
- 8♃︎ Jupiter13:23 – 14:06
- 9♂︎ Mars14:06 – 14:48
- 10☉︎ Sun14:48 – 15:30
- 11♀︎ Venus15:30 – 16:13
- 12☿︎ Mercury16:13 – 16:55
Night
- 1☽︎ Moon16:55 – 18:13
- 2♄︎ Saturn18:13 – 19:31
- 3♃︎ Jupiter19:31 – 20:48
- 4♂︎ Mars20:48 – 22:06
- 5☉︎ Sun22:06 – 23:24
- 6♀︎ Venus23:24 – 00:41
- 7☿︎ Mercury00:41 – 01:59
- 8☽︎ Moon01:59 – 03:17
- 9♄︎ Saturn03:17 – 04:34
- 10♃︎ Jupiter04:34 – 05:52
- 11♂︎ Mars05:52 – 07:10
- 12☉︎ Sun07:10 – 08:28
Other cities · France
Questions
How are the planetary hours calculated in Cergy-Pontoise?
On Thursday, 3 December 2026, the Sun rises at 08:26 and sets at 16:55: the day lasts 8h 29m, that is twelve day hours of 42 min. The night, until the next sunrise at 08:28, lasts 15h 32m: twelve night hours of 1h 18m.
Which planet rules the first hour that day?
Jupiter, from 08:26 to 09:09: 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.