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, 20 October 2026: day of Mars
- Sunrise
- 07:21
- Sunset
- 17:56
- Next sunrise
- 07:22
A day hour lasts 53 min; a night hour, 1h 07m. Local time (Europe/Vienna).
Day
- 1♂︎ Mars07:21 – 08:14
- 2☉︎ Sun08:14 – 09:07
- 3♀︎ Venus09:07 – 10:00
- 4☿︎ Mercury10:00 – 10:53
- 5☽︎ Moon10:53 – 11:45
- 6♄︎ Saturn11:45 – 12:38
- 7♃︎ Jupiter12:38 – 13:31
- 8♂︎ Mars13:31 – 14:24
- 9☉︎ Sun14:24 – 15:17
- 10♀︎ Venus15:17 – 16:10
- 11☿︎ Mercury16:10 – 17:03
- 12☽︎ Moon17:03 – 17:56
Night
- 1♄︎ Saturn17:56 – 19:03
- 2♃︎ Jupiter19:03 – 20:10
- 3♂︎ Mars20:10 – 21:18
- 4☉︎ Sun21:18 – 22:25
- 5♀︎ Venus22:25 – 23:32
- 6☿︎ Mercury23:32 – 00:39
- 7☽︎ Moon00:39 – 01:46
- 8♄︎ Saturn01:46 – 02:54
- 9♃︎ Jupiter02:54 – 04:01
- 10♂︎ Mars04:01 – 05:08
- 11☉︎ Sun05:08 – 06:15
- 12♀︎ Venus06:15 – 07:22
Other cities · Austria
Questions
How are the planetary hours calculated in Vienna?
On Tuesday, 20 October 2026, the Sun rises at 07:21 and sets at 17:56: the day lasts 10h 35m, that is twelve day hours of 53 min. The night, until the next sunrise at 07:22, lasts 13h 26m: twelve night hours of 1h 07m.
Which planet rules the first hour that day?
Mars, from 07:21 to 08:14: 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.