Planetary hours
in Donaustadt.
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 Monday, 21 September 2026: day of the Moon
- Sunrise
- 06:39
- Sunset
- 18:54
- Next sunrise
- 06:40
A day hour lasts 1h 01m; a night hour, 59 min. Local time (Europe/Vienna).
Day
- 1☽︎ Moon06:39 – 07:40
- 2♄︎ Saturn07:40 – 08:41
- 3♃︎ Jupiter08:41 – 09:42
- 4♂︎ Mars09:42 – 10:44
- 5☉︎ Sun10:44 – 11:45
- 6♀︎ Venus11:45 – 12:46
- 7☿︎ Mercury12:46 – 13:48
- 8☽︎ Moon13:48 – 14:49
- 9♄︎ Saturn14:49 – 15:50
- 10♃︎ Jupiter15:50 – 16:51
- 11♂︎ Mars16:51 – 17:53
- 12☉︎ Sun17:53 – 18:54
Night
- 1♀︎ Venus18:54 – 19:53
- 2☿︎ Mercury19:53 – 20:52
- 3☽︎ Moon20:52 – 21:50
- 4♄︎ Saturn21:50 – 22:49
- 5♃︎ Jupiter22:49 – 23:48
- 6♂︎ Mars23:48 – 00:47
- 7☉︎ Sun00:47 – 01:46
- 8♀︎ Venus01:46 – 02:45
- 9☿︎ Mercury02:45 – 03:44
- 10☽︎ Moon03:44 – 04:42
- 11♄︎ Saturn04:42 – 05:41
- 12♃︎ Jupiter05:41 – 06:40
Other cities · Austria
Questions
How are the planetary hours calculated in Donaustadt?
On Monday, 21 September 2026, the Sun rises at 06:39 and sets at 18:54: the day lasts 12h 15m, that is twelve day hours of 1h 01m. The night, until the next sunrise at 06:40, lasts 11h 46m: twelve night hours of 59 min.
Which planet rules the first hour that day?
The Moon, from 06:39 to 07:40: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Saturn, Jupiter, Mars, the Sun, Venus, Mercury, then the Moon 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.