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 Sunday, 16 August 2026: day of the Sun
- Sunrise
- 07:32
- Sunset
- 18:23
- Next sunrise
- 07:31
A day hour lasts 54 min; a night hour, 1h 06m. Local time (America/Argentina/Buenos_Aires).
Day
- 1☉︎ Sun07:32 – 08:26
- 2♀︎ Venus08:26 – 09:20
- 3☿︎ Mercury09:20 – 10:15
- 4☽︎ Moon10:15 – 11:09
- 5♄︎ Saturn11:09 – 12:03
- 6♃︎ Jupiter12:03 – 12:57
- 7♂︎ Mars12:57 – 13:52
- 8☉︎ Sun13:52 – 14:46
- 9♀︎ Venus14:46 – 15:40
- 10☿︎ Mercury15:40 – 16:35
- 11☽︎ Moon16:35 – 17:29
- 12♄︎ Saturn17:29 – 18:23
Night
- 1♃︎ Jupiter18:23 – 19:29
- 2♂︎ Mars19:29 – 20:34
- 3☉︎ Sun20:34 – 21:40
- 4♀︎ Venus21:40 – 22:46
- 5☿︎ Mercury22:46 – 23:51
- 6☽︎ Moon23:51 – 00:57
- 7♄︎ Saturn00:57 – 02:02
- 8♃︎ Jupiter02:02 – 03:08
- 9♂︎ Mars03:08 – 04:14
- 10☉︎ Sun04:14 – 05:19
- 11♀︎ Venus05:19 – 06:25
- 12☿︎ Mercury06:25 – 07:31
Other cities · Argentina
Questions
How are the planetary hours calculated in Avellaneda?
On Sunday, 16 August 2026, the Sun rises at 07:32 and sets at 18:23: the day lasts 10h 51m, that is twelve day hours of 54 min. The night, until the next sunrise at 07:31, lasts 13h 07m: twelve night hours of 1h 06m.
Which planet rules the first hour that day?
The Sun, from 07:32 to 08:26: 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.