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 Tuesday, 21 October 2025: day of Mars
- Sunrise
- 07:57
- Sunset
- 18:21
- Next sunrise
- 07:58
A day hour lasts 52 min; a night hour, 1h 08m. Local time (Europe/Berlin).
Day
- 1♂︎ Mars07:57 – 08:49
- 2☉︎ Sun08:49 – 09:41
- 3♀︎ Venus09:41 – 10:33
- 4☿︎ Mercury10:33 – 11:25
- 5☽︎ Moon11:25 – 12:17
- 6♄︎ Saturn12:17 – 13:09
- 7♃︎ Jupiter13:09 – 14:01
- 8♂︎ Mars14:01 – 14:53
- 9☉︎ Sun14:53 – 15:45
- 10♀︎ Venus15:45 – 16:37
- 11☿︎ Mercury16:37 – 17:29
- 12☽︎ Moon17:29 – 18:21
Night
- 1♄︎ Saturn18:21 – 19:29
- 2♃︎ Jupiter19:29 – 20:37
- 3♂︎ Mars20:37 – 21:46
- 4☉︎ Sun21:46 – 22:54
- 5♀︎ Venus22:54 – 00:02
- 6☿︎ Mercury00:02 – 01:10
- 7☽︎ Moon01:10 – 02:18
- 8♄︎ Saturn02:18 – 03:26
- 9♃︎ Jupiter03:26 – 04:34
- 10♂︎ Mars04:34 – 05:42
- 11☉︎ Sun05:42 – 06:50
- 12♀︎ Venus06:50 – 07:58
Other cities · Germany
Questions
How are the planetary hours calculated in Frankfurt am Main?
On Tuesday, 21 October 2025, the Sun rises at 07:57 and sets at 18:21: the day lasts 10h 24m, that is twelve day hours of 52 min. The night, until the next sunrise at 07:58, lasts 13h 37m: twelve night hours of 1h 08m.
Which planet rules the first hour that day?
Mars, from 07:57 to 08:49: 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.