Planetary hours
in Vienna.
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, 28 October 2025: day of Mars
- Sunrise
- 06:33
- Sunset
- 16:42
- Next sunrise
- 06:35
A day hour lasts 51 min; a night hour, 1h 09m. Local time (Europe/Vienna).
Day
- 1♂︎ Mars06:33 – 07:24
- 2☉︎ Sun07:24 – 08:15
- 3♀︎ Venus08:15 – 09:05
- 4☿︎ Mercury09:05 – 09:56
- 5☽︎ Moon09:56 – 10:47
- 6♄︎ Saturn10:47 – 11:37
- 7♃︎ Jupiter11:37 – 12:28
- 8♂︎ Mars12:28 – 13:19
- 9☉︎ Sun13:19 – 14:09
- 10♀︎ Venus14:09 – 15:00
- 11☿︎ Mercury15:00 – 15:51
- 12☽︎ Moon15:51 – 16:42
Night
- 1♄︎ Saturn16:42 – 17:51
- 2♃︎ Jupiter17:51 – 19:00
- 3♂︎ Mars19:00 – 20:10
- 4☉︎ Sun20:10 – 21:19
- 5♀︎ Venus21:19 – 22:29
- 6☿︎ Mercury22:29 – 23:38
- 7☽︎ Moon23:38 – 00:48
- 8♄︎ Saturn00:48 – 01:57
- 9♃︎ Jupiter01:57 – 03:07
- 10♂︎ Mars03:07 – 04:16
- 11☉︎ Sun04:16 – 05:25
- 12♀︎ Venus05:25 – 06:35
Other cities · Austria
Questions
How are the planetary hours calculated in Vienna?
On Tuesday, 28 October 2025, the Sun rises at 06:33 and sets at 16:42: the day lasts 10h 08m, that is twelve day hours of 51 min. The night, until the next sunrise at 06:35, lasts 13h 53m: twelve night hours of 1h 09m.
Which planet rules the first hour that day?
Mars, from 06:33 to 07:24: 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.