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 Sunday, 20 September 2026: day of the Sun
- Sunrise
- 06:38
- Sunset
- 18:56
- Next sunrise
- 06:39
A day hour lasts 1h 02m; a night hour, 59 min. Local time (Europe/Vienna).
Day
- 1☉︎ Sun06:38 – 07:39
- 2♀︎ Venus07:39 – 08:41
- 3☿︎ Mercury08:41 – 09:42
- 4☽︎ Moon09:42 – 10:44
- 5♄︎ Saturn10:44 – 11:45
- 6♃︎ Jupiter11:45 – 12:47
- 7♂︎ Mars12:47 – 13:49
- 8☉︎ Sun13:49 – 14:50
- 9♀︎ Venus14:50 – 15:52
- 10☿︎ Mercury15:52 – 16:53
- 11☽︎ Moon16:53 – 17:55
- 12♄︎ Saturn17:55 – 18:56
Night
- 1♃︎ Jupiter18:56 – 19:55
- 2♂︎ Mars19:55 – 20:53
- 3☉︎ Sun20:53 – 21:52
- 4♀︎ Venus21:52 – 22:51
- 5☿︎ Mercury22:51 – 23:49
- 6☽︎ Moon23:49 – 00:48
- 7♄︎ Saturn00:48 – 01:46
- 8♃︎ Jupiter01:46 – 02:45
- 9♂︎ Mars02:45 – 03:43
- 10☉︎ Sun03:43 – 04:42
- 11♀︎ Venus04:42 – 05:40
- 12☿︎ Mercury05:40 – 06:39
Other cities · Austria
Questions
How are the planetary hours calculated in Vienna?
On Sunday, 20 September 2026, the Sun rises at 06:38 and sets at 18:56: the day lasts 12h 19m, that is twelve day hours of 1h 02m. The night, until the next sunrise at 06:39, lasts 11h 43m: twelve night hours of 59 min.
Which planet rules the first hour that day?
The Sun, from 06:38 to 07:39: 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.