Planetary hours
in Roubaix.
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, 8 December 2026: day of Mars
- Sunrise
- 08:35
- Sunset
- 16:42
- Next sunrise
- 08:36
A day hour lasts 41 min; a night hour, 1h 20m. Local time (Europe/Paris).
Day
- 1♂︎ Mars08:35 – 09:16
- 2☉︎ Sun09:16 – 09:56
- 3♀︎ Venus09:56 – 10:37
- 4☿︎ Mercury10:37 – 11:17
- 5☽︎ Moon11:17 – 11:58
- 6♄︎ Saturn11:58 – 12:39
- 7♃︎ Jupiter12:39 – 13:19
- 8♂︎ Mars13:19 – 14:00
- 9☉︎ Sun14:00 – 14:40
- 10♀︎ Venus14:40 – 15:21
- 11☿︎ Mercury15:21 – 16:01
- 12☽︎ Moon16:01 – 16:42
Night
- 1♄︎ Saturn16:42 – 18:02
- 2♃︎ Jupiter18:02 – 19:21
- 3♂︎ Mars19:21 – 20:41
- 4☉︎ Sun20:41 – 22:00
- 5♀︎ Venus22:00 – 23:20
- 6☿︎ Mercury23:20 – 00:39
- 7☽︎ Moon00:39 – 01:59
- 8♄︎ Saturn01:59 – 03:18
- 9♃︎ Jupiter03:18 – 04:38
- 10♂︎ Mars04:38 – 05:57
- 11☉︎ Sun05:57 – 07:17
- 12♀︎ Venus07:17 – 08:36
Other cities · France
Questions
How are the planetary hours calculated in Roubaix?
On Tuesday, 8 December 2026, the Sun rises at 08:35 and sets at 16:42: the day lasts 8h 07m, that is twelve day hours of 41 min. The night, until the next sunrise at 08:36, lasts 15h 54m: twelve night hours of 1h 20m.
Which planet rules the first hour that day?
Mars, from 08:35 to 09:16: 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.