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Planetary hours · Cergy-Pontoise (France)

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, 17 December 2026: day of Jupiter

Sunrise
08:40
Sunset
16:54
Next sunrise
08:41

A day hour lasts 41 min; a night hour, 1h 19m. Local time (Europe/Paris).

Day

  1. 1♃︎ Jupiter08:40 – 09:21
  2. 2♂︎ Mars09:21 – 10:03
  3. 3☉︎ Sun10:03 – 10:44
  4. 4♀︎ Venus10:44 – 11:25
  5. 5☿︎ Mercury11:25 – 12:06
  6. 6☽︎ Moon12:06 – 12:47
  7. 7♄︎ Saturn12:47 – 13:28
  8. 8♃︎ Jupiter13:28 – 14:10
  9. 9♂︎ Mars14:10 – 14:51
  10. 10☉︎ Sun14:51 – 15:32
  11. 11♀︎ Venus15:32 – 16:13
  12. 12☿︎ Mercury16:13 – 16:54

Night

  1. 1☽︎ Moon16:54 – 18:13
  2. 2♄︎ Saturn18:13 – 19:32
  3. 3♃︎ Jupiter19:32 – 20:51
  4. 4♂︎ Mars20:51 – 22:10
  5. 5☉︎ Sun22:10 – 23:29
  6. 6♀︎ Venus23:29 – 00:48
  7. 7☿︎ Mercury00:48 – 02:06
  8. 8☽︎ Moon02:06 – 03:25
  9. 9♄︎ Saturn03:25 – 04:44
  10. 10♃︎ Jupiter04:44 – 06:03
  11. 11♂︎ Mars06:03 – 07:22
  12. 12☉︎ Sun07:22 – 08:41

Other cities · France

Questions

How are the planetary hours calculated in Cergy-Pontoise?

On Thursday, 17 December 2026, the Sun rises at 08:40 and sets at 16:54: the day lasts 8h 14m, that is twelve day hours of 41 min. The night, until the next sunrise at 08:41, lasts 15h 47m: twelve night hours of 1h 19m.

Which planet rules the first hour that day?

Jupiter, from 08:40 to 09:21: 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.

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Calendars

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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.