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 Saturday, 20 September 2025: day of Saturn
- Sunrise
- 07:08
- Sunset
- 19:27
- Next sunrise
- 07:10
A day hour lasts 1h 02m; a night hour, 59 min. Local time (Europe/Berlin).
Day
- 1♄︎ Saturn07:08 – 08:10
- 2♃︎ Jupiter08:10 – 09:11
- 3♂︎ Mars09:11 – 10:13
- 4☉︎ Sun10:13 – 11:15
- 5♀︎ Venus11:15 – 12:16
- 6☿︎ Mercury12:16 – 13:18
- 7☽︎ Moon13:18 – 14:19
- 8♄︎ Saturn14:19 – 15:21
- 9♃︎ Jupiter15:21 – 16:22
- 10♂︎ Mars16:22 – 17:24
- 11☉︎ Sun17:24 – 18:25
- 12♀︎ Venus18:25 – 19:27
Night
- 1☿︎ Mercury19:27 – 20:26
- 2☽︎ Moon20:26 – 21:24
- 3♄︎ Saturn21:24 – 22:23
- 4♃︎ Jupiter22:23 – 23:21
- 5♂︎ Mars23:21 – 00:20
- 6☉︎ Sun00:20 – 01:18
- 7♀︎ Venus01:18 – 02:17
- 8☿︎ Mercury02:17 – 03:16
- 9☽︎ Moon03:16 – 04:14
- 10♄︎ Saturn04:14 – 05:13
- 11♃︎ Jupiter05:13 – 06:11
- 12♂︎ Mars06:11 – 07:10
Other cities · Germany
Questions
How are the planetary hours calculated in Frankfurt am Main?
On Saturday, 20 September 2025, the Sun rises at 07:08 and sets at 19:27: the day lasts 12h 19m, that is twelve day hours of 1h 02m. The night, until the next sunrise at 07:10, lasts 11h 43m: twelve night hours of 59 min.
Which planet rules the first hour that day?
Saturn, from 07:08 to 08:10: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Jupiter, Mars, the Sun, Venus, Mercury, the Moon, then Saturn 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.