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 Saturday, 18 July 2026: day of Saturn
- Sunrise
- 07:56
- Sunset
- 18:03
- Next sunrise
- 07:56
A day hour lasts 51 min; a night hour, 1h 09m. Local time (America/Argentina/Buenos_Aires).
Day
- 1♄︎ Saturn07:56 – 08:47
- 2♃︎ Jupiter08:47 – 09:37
- 3♂︎ Mars09:37 – 10:28
- 4☉︎ Sun10:28 – 11:18
- 5♀︎ Venus11:18 – 12:09
- 6☿︎ Mercury12:09 – 12:59
- 7☽︎ Moon12:59 – 13:50
- 8♄︎ Saturn13:50 – 14:40
- 9♃︎ Jupiter14:40 – 15:31
- 10♂︎ Mars15:31 – 16:21
- 11☉︎ Sun16:21 – 17:12
- 12♀︎ Venus17:12 – 18:03
Night
- 1☿︎ Mercury18:03 – 19:12
- 2☽︎ Moon19:12 – 20:21
- 3♄︎ Saturn20:21 – 21:31
- 4♃︎ Jupiter21:31 – 22:40
- 5♂︎ Mars22:40 – 23:50
- 6☉︎ Sun23:50 – 00:59
- 7♀︎ Venus00:59 – 02:09
- 8☿︎ Mercury02:09 – 03:18
- 9☽︎ Moon03:18 – 04:27
- 10♄︎ Saturn04:27 – 05:37
- 11♃︎ Jupiter05:37 – 06:46
- 12♂︎ Mars06:46 – 07:56
Other cities · Argentina
Questions
How are the planetary hours calculated in Avellaneda?
On Saturday, 18 July 2026, the Sun rises at 07:56 and sets at 18:03: the day lasts 10h 06m, that is twelve day hours of 51 min. The night, until the next sunrise at 07:56, lasts 13h 53m: twelve night hours of 1h 09m.
Which planet rules the first hour that day?
Saturn, from 07:56 to 08:47: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Jupiter, Mars, the Sun, Venus, Mercury, the Moon, then Saturn 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.