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, 20 January 2026: day of Mars
- Sunrise
- 08:13
- Sunset
- 16:59
- Next sunrise
- 08:12
A day hour lasts 44 min; a night hour, 1h 16m. Local time (Europe/Berlin).
Day
- 1♂︎ Mars08:13 – 08:57
- 2☉︎ Sun08:57 – 09:41
- 3♀︎ Venus09:41 – 10:25
- 4☿︎ Mercury10:25 – 11:09
- 5☽︎ Moon11:09 – 11:52
- 6♄︎ Saturn11:52 – 12:36
- 7♃︎ Jupiter12:36 – 13:20
- 8♂︎ Mars13:20 – 14:04
- 9☉︎ Sun14:04 – 14:47
- 10♀︎ Venus14:47 – 15:31
- 11☿︎ Mercury15:31 – 16:15
- 12☽︎ Moon16:15 – 16:59
Night
- 1♄︎ Saturn16:59 – 18:15
- 2♃︎ Jupiter18:15 – 19:31
- 3♂︎ Mars19:31 – 20:47
- 4☉︎ Sun20:47 – 22:03
- 5♀︎ Venus22:03 – 23:19
- 6☿︎ Mercury23:19 – 00:36
- 7☽︎ Moon00:36 – 01:52
- 8♄︎ Saturn01:52 – 03:08
- 9♃︎ Jupiter03:08 – 04:24
- 10♂︎ Mars04:24 – 05:40
- 11☉︎ Sun05:40 – 06:56
- 12♀︎ Venus06:56 – 08:12
Other cities · Germany
Questions
How are the planetary hours calculated in Frankfurt am Main?
On Tuesday, 20 January 2026, the Sun rises at 08:13 and sets at 16:59: the day lasts 8h 45m, that is twelve day hours of 44 min. The night, until the next sunrise at 08:12, lasts 15h 14m: twelve night hours of 1h 16m.
Which planet rules the first hour that day?
Mars, from 08:13 to 08:57: 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.