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, 20 October 2026: day of Mars
- Sunrise
- 08:19
- Sunset
- 18:53
- Next sunrise
- 08:21
A day hour lasts 53 min; a night hour, 1h 07m. Local time (Europe/Paris).
Day
- 1♂︎ Mars08:19 – 09:12
- 2☉︎ Sun09:12 – 10:05
- 3♀︎ Venus10:05 – 10:57
- 4☿︎ Mercury10:57 – 11:50
- 5☽︎ Moon11:50 – 12:43
- 6♄︎ Saturn12:43 – 13:36
- 7♃︎ Jupiter13:36 – 14:29
- 8♂︎ Mars14:29 – 15:21
- 9☉︎ Sun15:21 – 16:14
- 10♀︎ Venus16:14 – 17:07
- 11☿︎ Mercury17:07 – 18:00
- 12☽︎ Moon18:00 – 18:53
Night
- 1♄︎ Saturn18:53 – 20:00
- 2♃︎ Jupiter20:00 – 21:07
- 3♂︎ Mars21:07 – 22:15
- 4☉︎ Sun22:15 – 23:22
- 5♀︎ Venus23:22 – 00:29
- 6☿︎ Mercury00:29 – 01:37
- 7☽︎ Moon01:37 – 02:44
- 8♄︎ Saturn02:44 – 03:51
- 9♃︎ Jupiter03:51 – 04:59
- 10♂︎ Mars04:59 – 06:06
- 11☉︎ Sun06:06 – 07:13
- 12♀︎ Venus07:13 – 08:21
Other cities · France
Questions
How are the planetary hours calculated in Saint-Quentin-en-Yvelines?
On Tuesday, 20 October 2026, the Sun rises at 08:19 and sets at 18:53: the day lasts 10h 33m, that is twelve day hours of 53 min. The night, until the next sunrise at 08:21, lasts 13h 28m: twelve night hours of 1h 07m.
Which planet rules the first hour that day?
Mars, from 08:19 to 09:12: 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.