Planetary hours
in Penzing.
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 Thursday, 17 December 2026: day of Jupiter
- Sunrise
- 07:40
- Sunset
- 16:01
- Next sunrise
- 07:40
A day hour lasts 42 min; a night hour, 1h 18m. Local time (Europe/Vienna).
Day
- 1♃︎ Jupiter07:40 – 08:22
- 2♂︎ Mars08:22 – 09:03
- 3☉︎ Sun09:03 – 09:45
- 4♀︎ Venus09:45 – 10:27
- 5☿︎ Mercury10:27 – 11:09
- 6☽︎ Moon11:09 – 11:50
- 7♄︎ Saturn11:50 – 12:32
- 8♃︎ Jupiter12:32 – 13:14
- 9♂︎ Mars13:14 – 13:56
- 10☉︎ Sun13:56 – 14:38
- 11♀︎ Venus14:38 – 15:19
- 12☿︎ Mercury15:19 – 16:01
Night
- 1☽︎ Moon16:01 – 17:19
- 2♄︎ Saturn17:19 – 18:38
- 3♃︎ Jupiter18:38 – 19:56
- 4♂︎ Mars19:56 – 21:14
- 5☉︎ Sun21:14 – 22:33
- 6♀︎ Venus22:33 – 23:51
- 7☿︎ Mercury23:51 – 01:09
- 8☽︎ Moon01:09 – 02:27
- 9♄︎ Saturn02:27 – 03:46
- 10♃︎ Jupiter03:46 – 05:04
- 11♂︎ Mars05:04 – 06:22
- 12☉︎ Sun06:22 – 07:40
Other cities · Austria
Questions
How are the planetary hours calculated in Penzing?
On Thursday, 17 December 2026, the Sun rises at 07:40 and sets at 16:01: the day lasts 8h 21m, that is twelve day hours of 42 min. The night, until the next sunrise at 07:40, lasts 15h 39m: twelve night hours of 1h 18m.
Which planet rules the first hour that day?
Jupiter, from 07:40 to 08:22: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mars, the Sun, Venus, Mercury, the Moon, Saturn, then Jupiter 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.