Planetary hours
in Cologne.
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, 10 December 2026: day of Jupiter
- Sunrise
- 08:23
- Sunset
- 16:25
- Next sunrise
- 08:24
A day hour lasts 40 min; a night hour, 1h 20m. Local time (Europe/Berlin).
Day
- 1♃︎ Jupiter08:23 – 09:03
- 2♂︎ Mars09:03 – 09:44
- 3☉︎ Sun09:44 – 10:24
- 4♀︎ Venus10:24 – 11:04
- 5☿︎ Mercury11:04 – 11:44
- 6☽︎ Moon11:44 – 12:24
- 7♄︎ Saturn12:24 – 13:05
- 8♃︎ Jupiter13:05 – 13:45
- 9♂︎ Mars13:45 – 14:25
- 10☉︎ Sun14:25 – 15:05
- 11♀︎ Venus15:05 – 15:45
- 12☿︎ Mercury15:45 – 16:25
Night
- 1☽︎ Moon16:25 – 17:45
- 2♄︎ Saturn17:45 – 19:05
- 3♃︎ Jupiter19:05 – 20:25
- 4♂︎ Mars20:25 – 21:45
- 5☉︎ Sun21:45 – 23:05
- 6♀︎ Venus23:05 – 00:25
- 7☿︎ Mercury00:25 – 01:45
- 8☽︎ Moon01:45 – 03:05
- 9♄︎ Saturn03:05 – 04:25
- 10♃︎ Jupiter04:25 – 05:44
- 11♂︎ Mars05:44 – 07:04
- 12☉︎ Sun07:04 – 08:24
Other cities · Germany
Questions
How are the planetary hours calculated in Cologne?
On Thursday, 10 December 2026, the Sun rises at 08:23 and sets at 16:25: the day lasts 8h 02m, that is twelve day hours of 40 min. The night, until the next sunrise at 08:24, lasts 15h 59m: twelve night hours of 1h 20m.
Which planet rules the first hour that day?
Jupiter, from 08:23 to 09:03: 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.