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 Tuesday, 4 August 2026: day of Mars
- Sunrise
- 06:28
- Sunset
- 21:26
- Next sunrise
- 06:29
A day hour lasts 1h 15m; a night hour, 45 min. Local time (Europe/Paris).
Day
- 1♂︎ Mars06:28 – 07:43
- 2☉︎ Sun07:43 – 08:58
- 3♀︎ Venus08:58 – 10:12
- 4☿︎ Mercury10:12 – 11:27
- 5☽︎ Moon11:27 – 12:42
- 6♄︎ Saturn12:42 – 13:57
- 7♃︎ Jupiter13:57 – 15:12
- 8♂︎ Mars15:12 – 16:27
- 9☉︎ Sun16:27 – 17:41
- 10♀︎ Venus17:41 – 18:56
- 11☿︎ Mercury18:56 – 20:11
- 12☽︎ Moon20:11 – 21:26
Night
- 1♄︎ Saturn21:26 – 22:11
- 2♃︎ Jupiter22:11 – 22:56
- 3♂︎ Mars22:56 – 23:42
- 4☉︎ Sun23:42 – 00:27
- 5♀︎ Venus00:27 – 01:12
- 6☿︎ Mercury01:12 – 01:58
- 7☽︎ Moon01:58 – 02:43
- 8♄︎ Saturn02:43 – 03:28
- 9♃︎ Jupiter03:28 – 04:13
- 10♂︎ Mars04:13 – 04:59
- 11☉︎ Sun04:59 – 05:44
- 12♀︎ Venus05:44 – 06:29
Other cities · France
Questions
How are the planetary hours calculated in Cergy-Pontoise?
On Tuesday, 4 August 2026, the Sun rises at 06:28 and sets at 21:26: the day lasts 14h 58m, that is twelve day hours of 1h 15m. The night, until the next sunrise at 06:29, lasts 9h 03m: twelve night hours of 45 min.
Which planet rules the first hour that day?
Mars, from 06:28 to 07:43: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Sun, Venus, Mercury, the Moon, Saturn, Jupiter, then Mars 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.