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, 12 May 2026: day of Mars
- Sunrise
- 05:43
- Sunset
- 21:00
- Next sunrise
- 05:41
A day hour lasts 1h 16m; a night hour, 43 min. Local time (Europe/Berlin).
Day
- 1♂︎ Mars05:43 – 06:59
- 2☉︎ Sun06:59 – 08:16
- 3♀︎ Venus08:16 – 09:32
- 4☿︎ Mercury09:32 – 10:49
- 5☽︎ Moon10:49 – 12:05
- 6♄︎ Saturn12:05 – 13:22
- 7♃︎ Jupiter13:22 – 14:38
- 8♂︎ Mars14:38 – 15:55
- 9☉︎ Sun15:55 – 17:11
- 10♀︎ Venus17:11 – 18:27
- 11☿︎ Mercury18:27 – 19:44
- 12☽︎ Moon19:44 – 21:00
Night
- 1♄︎ Saturn21:00 – 21:44
- 2♃︎ Jupiter21:44 – 22:27
- 3♂︎ Mars22:27 – 23:11
- 4☉︎ Sun23:11 – 23:54
- 5♀︎ Venus23:54 – 00:37
- 6☿︎ Mercury00:37 – 01:21
- 7☽︎ Moon01:21 – 02:04
- 8♄︎ Saturn02:04 – 02:48
- 9♃︎ Jupiter02:48 – 03:31
- 10♂︎ Mars03:31 – 04:15
- 11☉︎ Sun04:15 – 04:58
- 12♀︎ Venus04:58 – 05:41
Other cities · Germany
Questions
How are the planetary hours calculated in Frankfurt am Main?
On Tuesday, 12 May 2026, the Sun rises at 05:43 and sets at 21:00: the day lasts 15h 17m, that is twelve day hours of 1h 16m. The night, until the next sunrise at 05:41, lasts 8h 41m: twelve night hours of 43 min.
Which planet rules the first hour that day?
Mars, from 05:43 to 06:59: 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.