Planetary hours
in Saint-Quentin-en-Yvelines.
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, 13 January 2026: day of Mars
- Sunrise
- 08:41
- Sunset
- 17:20
- Next sunrise
- 08:40
A day hour lasts 43 min; a night hour, 1h 17m. Local time (Europe/Paris).
Day
- 1♂︎ Mars08:41 – 09:24
- 2☉︎ Sun09:24 – 10:07
- 3♀︎ Venus10:07 – 10:50
- 4☿︎ Mercury10:50 – 11:34
- 5☽︎ Moon11:34 – 12:17
- 6♄︎ Saturn12:17 – 13:00
- 7♃︎ Jupiter13:00 – 13:44
- 8♂︎ Mars13:44 – 14:27
- 9☉︎ Sun14:27 – 15:10
- 10♀︎ Venus15:10 – 15:53
- 11☿︎ Mercury15:53 – 16:37
- 12☽︎ Moon16:37 – 17:20
Night
- 1♄︎ Saturn17:20 – 18:37
- 2♃︎ Jupiter18:37 – 19:53
- 3♂︎ Mars19:53 – 21:10
- 4☉︎ Sun21:10 – 22:27
- 5♀︎ Venus22:27 – 23:43
- 6☿︎ Mercury23:43 – 01:00
- 7☽︎ Moon01:00 – 02:17
- 8♄︎ Saturn02:17 – 03:33
- 9♃︎ Jupiter03:33 – 04:50
- 10♂︎ Mars04:50 – 06:07
- 11☉︎ Sun06:07 – 07:23
- 12♀︎ Venus07:23 – 08:40
Other cities · France
Questions
How are the planetary hours calculated in Saint-Quentin-en-Yvelines?
On Tuesday, 13 January 2026, the Sun rises at 08:41 and sets at 17:20: the day lasts 8h 39m, that is twelve day hours of 43 min. The night, until the next sunrise at 08:40, lasts 15h 20m: twelve night hours of 1h 17m.
Which planet rules the first hour that day?
Mars, from 08:41 to 09:24: 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.