Planetary hours
in Strasbourg.
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 Thursday, 17 December 2026: day of Jupiter
- Sunrise
- 08:15
- Sunset
- 16:34
- Next sunrise
- 08:16
A day hour lasts 42 min; a night hour, 1h 19m. Local time (Europe/Paris).
Day
- 1♃︎ Jupiter08:15 – 08:57
- 2♂︎ Mars08:57 – 09:38
- 3☉︎ Sun09:38 – 10:20
- 4♀︎ Venus10:20 – 11:02
- 5☿︎ Mercury11:02 – 11:43
- 6☽︎ Moon11:43 – 12:25
- 7♄︎ Saturn12:25 – 13:06
- 8♃︎ Jupiter13:06 – 13:48
- 9♂︎ Mars13:48 – 14:29
- 10☉︎ Sun14:29 – 15:11
- 11♀︎ Venus15:11 – 15:52
- 12☿︎ Mercury15:52 – 16:34
Night
- 1☽︎ Moon16:34 – 17:52
- 2♄︎ Saturn17:52 – 19:11
- 3♃︎ Jupiter19:11 – 20:29
- 4♂︎ Mars20:29 – 21:48
- 5☉︎ Sun21:48 – 23:06
- 6♀︎ Venus23:06 – 00:25
- 7☿︎ Mercury00:25 – 01:43
- 8☽︎ Moon01:43 – 03:02
- 9♄︎ Saturn03:02 – 04:21
- 10♃︎ Jupiter04:21 – 05:39
- 11♂︎ Mars05:39 – 06:58
- 12☉︎ Sun06:58 – 08:16
Other cities · France
Questions
How are the planetary hours calculated in Strasbourg?
On Thursday, 17 December 2026, the Sun rises at 08:15 and sets at 16:34: the day lasts 8h 18m, that is twelve day hours of 42 min. The night, until the next sunrise at 08:16, lasts 15h 43m: twelve night hours of 1h 19m.
Which planet rules the first hour that day?
Jupiter, from 08:15 to 08:57: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mars, the Sun, Venus, Mercury, the Moon, Saturn, then Jupiter 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.