Planetary hours
in Ottakring.
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, 13 December 2026: day of the Sun
- Sunrise
- 07:37
- Sunset
- 16:00
- Next sunrise
- 07:37
A day hour lasts 42 min; a night hour, 1h 18m. Local time (Europe/Vienna).
Day
- 1☉︎ Sun07:37 – 08:19
- 2♀︎ Venus08:19 – 09:00
- 3☿︎ Mercury09:00 – 09:42
- 4☽︎ Moon09:42 – 10:24
- 5♄︎ Saturn10:24 – 11:06
- 6♃︎ Jupiter11:06 – 11:48
- 7♂︎ Mars11:48 – 12:30
- 8☉︎ Sun12:30 – 13:12
- 9♀︎ Venus13:12 – 13:54
- 10☿︎ Mercury13:54 – 14:36
- 11☽︎ Moon14:36 – 15:18
- 12♄︎ Saturn15:18 – 16:00
Night
- 1♃︎ Jupiter16:00 – 17:18
- 2♂︎ Mars17:18 – 18:36
- 3☉︎ Sun18:36 – 19:54
- 4♀︎ Venus19:54 – 21:13
- 5☿︎ Mercury21:13 – 22:31
- 6☽︎ Moon22:31 – 23:49
- 7♄︎ Saturn23:49 – 01:07
- 8♃︎ Jupiter01:07 – 02:25
- 9♂︎ Mars02:25 – 03:43
- 10☉︎ Sun03:43 – 05:01
- 11♀︎ Venus05:01 – 06:19
- 12☿︎ Mercury06:19 – 07:37
Other cities · Austria
Questions
How are the planetary hours calculated in Ottakring?
On Sunday, 13 December 2026, the Sun rises at 07:37 and sets at 16:00: the day lasts 8h 24m, that is twelve day hours of 42 min. The night, until the next sunrise at 07:37, lasts 15h 37m: twelve night hours of 1h 18m.
Which planet rules the first hour that day?
The Sun, from 07:37 to 08:19: 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.