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 Friday, 8 January 2027: day of Venus
- Sunrise
- 08:44
- Sunset
- 17:12
- Next sunrise
- 08:44
A day hour lasts 42 min; a night hour, 1h 18m. Local time (Europe/Paris).
Day
- 1♀︎ Venus08:44 – 09:26
- 2☿︎ Mercury09:26 – 10:09
- 3☽︎ Moon10:09 – 10:51
- 4♄︎ Saturn10:51 – 11:33
- 5♃︎ Jupiter11:33 – 12:16
- 6♂︎ Mars12:16 – 12:58
- 7☉︎ Sun12:58 – 13:40
- 8♀︎ Venus13:40 – 14:23
- 9☿︎ Mercury14:23 – 15:05
- 10☽︎ Moon15:05 – 15:47
- 11♄︎ Saturn15:47 – 16:30
- 12♃︎ Jupiter16:30 – 17:12
Night
- 1♂︎ Mars17:12 – 18:29
- 2☉︎ Sun18:29 – 19:47
- 3♀︎ Venus19:47 – 21:05
- 4☿︎ Mercury21:05 – 22:22
- 5☽︎ Moon22:22 – 23:40
- 6♄︎ Saturn23:40 – 00:58
- 7♃︎ Jupiter00:58 – 02:15
- 8♂︎ Mars02:15 – 03:33
- 9☉︎ Sun03:33 – 04:51
- 10♀︎ Venus04:51 – 06:08
- 11☿︎ Mercury06:08 – 07:26
- 12☽︎ Moon07:26 – 08:44
Other cities · France
Questions
How are the planetary hours calculated in Cergy-Pontoise?
On Friday, 8 January 2027, the Sun rises at 08:44 and sets at 17:12: the day lasts 8h 28m, that is twelve day hours of 42 min. The night, until the next sunrise at 08:44, lasts 15h 32m: twelve night hours of 1h 18m.
Which planet rules the first hour that day?
Venus, from 08:44 to 09:26: 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.