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 Tuesday, 8 September 2026: day of Mars
- Sunrise
- 06:21
- Sunset
- 19:21
- Next sunrise
- 06:22
A day hour lasts 1h 05m; a night hour, 55 min. Local time (Europe/Vienna).
Day
- 1♂︎ Mars06:21 – 07:26
- 2☉︎ Sun07:26 – 08:31
- 3♀︎ Venus08:31 – 09:36
- 4☿︎ Mercury09:36 – 10:41
- 5☽︎ Moon10:41 – 11:46
- 6♄︎ Saturn11:46 – 12:51
- 7♃︎ Jupiter12:51 – 13:56
- 8♂︎ Mars13:56 – 15:01
- 9☉︎ Sun15:01 – 16:06
- 10♀︎ Venus16:06 – 17:11
- 11☿︎ Mercury17:11 – 18:16
- 12☽︎ Moon18:16 – 19:21
Night
- 1♄︎ Saturn19:21 – 20:16
- 2♃︎ Jupiter20:16 – 21:11
- 3♂︎ Mars21:11 – 22:06
- 4☉︎ Sun22:06 – 23:01
- 5♀︎ Venus23:01 – 23:56
- 6☿︎ Mercury23:56 – 00:52
- 7☽︎ Moon00:52 – 01:47
- 8♄︎ Saturn01:47 – 02:42
- 9♃︎ Jupiter02:42 – 03:37
- 10♂︎ Mars03:37 – 04:32
- 11☉︎ Sun04:32 – 05:27
- 12♀︎ Venus05:27 – 06:22
Other cities · Austria
Questions
How are the planetary hours calculated in Donaustadt?
On Tuesday, 8 September 2026, the Sun rises at 06:21 and sets at 19:21: the day lasts 13h 00m, that is twelve day hours of 1h 05m. The night, until the next sunrise at 06:22, lasts 11h 01m: twelve night hours of 55 min.
Which planet rules the first hour that day?
Mars, from 06:21 to 07:26: 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.