Planetary hours
in Avellaneda.
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 Wednesday, 9 December 2026: day of Mercury
- Sunrise
- 05:33
- Sunset
- 19:58
- Next sunrise
- 05:33
A day hour lasts 1h 12m; a night hour, 48 min. Local time (America/Argentina/Buenos_Aires).
Day
- 1☿︎ Mercury05:33 – 06:45
- 2☽︎ Moon06:45 – 07:57
- 3♄︎ Saturn07:57 – 09:09
- 4♃︎ Jupiter09:09 – 10:21
- 5♂︎ Mars10:21 – 11:33
- 6☉︎ Sun11:33 – 12:45
- 7♀︎ Venus12:45 – 13:58
- 8☿︎ Mercury13:58 – 15:10
- 9☽︎ Moon15:10 – 16:22
- 10♄︎ Saturn16:22 – 17:34
- 11♃︎ Jupiter17:34 – 18:46
- 12♂︎ Mars18:46 – 19:58
Night
- 1☉︎ Sun19:58 – 20:46
- 2♀︎ Venus20:46 – 21:34
- 3☿︎ Mercury21:34 – 22:22
- 4☽︎ Moon22:22 – 23:10
- 5♄︎ Saturn23:10 – 23:58
- 6♃︎ Jupiter23:58 – 00:46
- 7♂︎ Mars00:46 – 01:33
- 8☉︎ Sun01:33 – 02:21
- 9♀︎ Venus02:21 – 03:09
- 10☿︎ Mercury03:09 – 03:57
- 11☽︎ Moon03:57 – 04:45
- 12♄︎ Saturn04:45 – 05:33
Other cities · Argentina
Questions
How are the planetary hours calculated in Avellaneda?
On Wednesday, 9 December 2026, the Sun rises at 05:33 and sets at 19:58: the day lasts 14h 25m, that is twelve day hours of 1h 12m. The night, until the next sunrise at 05:33, lasts 9h 35m: twelve night hours of 48 min.
Which planet rules the first hour that day?
Mercury, from 05:33 to 06:45: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Moon, Saturn, Jupiter, Mars, the Sun, Venus, then Mercury 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.