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 Sunday, 20 December 2026: day of the Sun
- Sunrise
- 08:21
- Sunset
- 16:24
- Next sunrise
- 08:21
A day hour lasts 40 min; a night hour, 1h 20m. Local time (Europe/Berlin).
Day
- 1☉︎ Sun08:21 – 09:01
- 2♀︎ Venus09:01 – 09:41
- 3☿︎ Mercury09:41 – 10:21
- 4☽︎ Moon10:21 – 11:02
- 5♄︎ Saturn11:02 – 11:42
- 6♃︎ Jupiter11:42 – 12:22
- 7♂︎ Mars12:22 – 13:03
- 8☉︎ Sun13:03 – 13:43
- 9♀︎ Venus13:43 – 14:23
- 10☿︎ Mercury14:23 – 15:03
- 11☽︎ Moon15:03 – 15:44
- 12♄︎ Saturn15:44 – 16:24
Night
- 1♃︎ Jupiter16:24 – 17:44
- 2♂︎ Mars17:44 – 19:04
- 3☉︎ Sun19:04 – 20:23
- 4♀︎ Venus20:23 – 21:43
- 5☿︎ Mercury21:43 – 23:03
- 6☽︎ Moon23:03 – 00:23
- 7♄︎ Saturn00:23 – 01:42
- 8♃︎ Jupiter01:42 – 03:02
- 9♂︎ Mars03:02 – 04:22
- 10☉︎ Sun04:22 – 05:42
- 11♀︎ Venus05:42 – 07:01
- 12☿︎ Mercury07:01 – 08:21
Other cities · Germany
Questions
How are the planetary hours calculated in Frankfurt am Main?
On Sunday, 20 December 2026, the Sun rises at 08:21 and sets at 16:24: the day lasts 8h 03m, that is twelve day hours of 40 min. The night, until the next sunrise at 08:21, lasts 15h 57m: twelve night hours of 1h 20m.
Which planet rules the first hour that day?
The Sun, from 08:21 to 09:01: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Venus, Mercury, the Moon, Saturn, Jupiter, Mars, then the Sun 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.