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 Sunday, 9 August 2026: day of the Sun
- Sunrise
- 05:40
- Sunset
- 20:18
- Next sunrise
- 05:41
A day hour lasts 1h 13m; a night hour, 47 min. Local time (Europe/Vienna).
Day
- 1☉︎ Sun05:40 – 06:53
- 2♀︎ Venus06:53 – 08:06
- 3☿︎ Mercury08:06 – 09:19
- 4☽︎ Moon09:19 – 10:32
- 5♄︎ Saturn10:32 – 11:46
- 6♃︎ Jupiter11:46 – 12:59
- 7♂︎ Mars12:59 – 14:12
- 8☉︎ Sun14:12 – 15:25
- 9♀︎ Venus15:25 – 16:38
- 10☿︎ Mercury16:38 – 17:52
- 11☽︎ Moon17:52 – 19:05
- 12♄︎ Saturn19:05 – 20:18
Night
- 1♃︎ Jupiter20:18 – 21:05
- 2♂︎ Mars21:05 – 21:52
- 3☉︎ Sun21:52 – 22:39
- 4♀︎ Venus22:39 – 23:26
- 5☿︎ Mercury23:26 – 00:12
- 6☽︎ Moon00:12 – 00:59
- 7♄︎ Saturn00:59 – 01:46
- 8♃︎ Jupiter01:46 – 02:33
- 9♂︎ Mars02:33 – 03:20
- 10☉︎ Sun03:20 – 04:07
- 11♀︎ Venus04:07 – 04:54
- 12☿︎ Mercury04:54 – 05:41
Other cities · Austria
Questions
How are the planetary hours calculated in Donaustadt?
On Sunday, 9 August 2026, the Sun rises at 05:40 and sets at 20:18: the day lasts 14h 38m, that is twelve day hours of 1h 13m. The night, until the next sunrise at 05:41, lasts 9h 23m: twelve night hours of 47 min.
Which planet rules the first hour that day?
The Sun, from 05:40 to 06:53: 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.