Planetary hours
in Frankfurt am Main.
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, 4 December 2025: day of Jupiter
- Sunrise
- 08:06
- Sunset
- 16:24
- Next sunrise
- 08:07
A day hour lasts 41 min; a night hour, 1h 19m. Local time (Europe/Berlin).
Day
- 1♃︎ Jupiter08:06 – 08:47
- 2♂︎ Mars08:47 – 09:29
- 3☉︎ Sun09:29 – 10:10
- 4♀︎ Venus10:10 – 10:52
- 5☿︎ Mercury10:52 – 11:33
- 6☽︎ Moon11:33 – 12:15
- 7♄︎ Saturn12:15 – 12:56
- 8♃︎ Jupiter12:56 – 13:38
- 9♂︎ Mars13:38 – 14:19
- 10☉︎ Sun14:19 – 15:01
- 11♀︎ Venus15:01 – 15:42
- 12☿︎ Mercury15:42 – 16:24
Night
- 1☽︎ Moon16:24 – 17:42
- 2♄︎ Saturn17:42 – 19:01
- 3♃︎ Jupiter19:01 – 20:20
- 4♂︎ Mars20:20 – 21:38
- 5☉︎ Sun21:38 – 22:57
- 6♀︎ Venus22:57 – 00:16
- 7☿︎ Mercury00:16 – 01:34
- 8☽︎ Moon01:34 – 02:53
- 9♄︎ Saturn02:53 – 04:11
- 10♃︎ Jupiter04:11 – 05:30
- 11♂︎ Mars05:30 – 06:49
- 12☉︎ Sun06:49 – 08:07
Other cities · Germany
Questions
How are the planetary hours calculated in Frankfurt am Main?
On Thursday, 4 December 2025, the Sun rises at 08:06 and sets at 16:24: the day lasts 8h 18m, that is twelve day hours of 41 min. The night, until the next sunrise at 08:07, lasts 15h 43m: twelve night hours of 1h 19m.
Which planet rules the first hour that day?
Jupiter, from 08:06 to 08:47: 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.