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 Thursday, 10 September 2026: day of Jupiter
- Sunrise
- 06:23
- Sunset
- 19:17
- Next sunrise
- 06:25
A day hour lasts 1h 04m; a night hour, 56 min. Local time (Europe/Vienna).
Day
- 1♃︎ Jupiter06:23 – 07:28
- 2♂︎ Mars07:28 – 08:32
- 3☉︎ Sun08:32 – 09:37
- 4♀︎ Venus09:37 – 10:41
- 5☿︎ Mercury10:41 – 11:46
- 6☽︎ Moon11:46 – 12:50
- 7♄︎ Saturn12:50 – 13:55
- 8♃︎ Jupiter13:55 – 14:59
- 9♂︎ Mars14:59 – 16:04
- 10☉︎ Sun16:04 – 17:08
- 11♀︎ Venus17:08 – 18:12
- 12☿︎ Mercury18:12 – 19:17
Night
- 1☽︎ Moon19:17 – 20:13
- 2♄︎ Saturn20:13 – 21:08
- 3♃︎ Jupiter21:08 – 22:04
- 4♂︎ Mars22:04 – 23:00
- 5☉︎ Sun23:00 – 23:55
- 6♀︎ Venus23:55 – 00:51
- 7☿︎ Mercury00:51 – 01:47
- 8☽︎ Moon01:47 – 02:42
- 9♄︎ Saturn02:42 – 03:38
- 10♃︎ Jupiter03:38 – 04:34
- 11♂︎ Mars04:34 – 05:29
- 12☉︎ Sun05:29 – 06:25
Other cities · Austria
Questions
How are the planetary hours calculated in Donaustadt?
On Thursday, 10 September 2026, the Sun rises at 06:23 and sets at 19:17: the day lasts 12h 53m, that is twelve day hours of 1h 04m. The night, until the next sunrise at 06:25, lasts 11h 08m: twelve night hours of 56 min.
Which planet rules the first hour that day?
Jupiter, from 06:23 to 07:28: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mars, the Sun, Venus, Mercury, the Moon, Saturn, then Jupiter 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.