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 Friday, 31 July 2026: day of Venus
- Sunrise
- 07:48
- Sunset
- 18:12
- Next sunrise
- 07:47
A day hour lasts 52 min; a night hour, 1h 08m. Local time (America/Argentina/Buenos_Aires).
Day
- 1♀︎ Venus07:48 – 08:40
- 2☿︎ Mercury08:40 – 09:32
- 3☽︎ Moon09:32 – 10:24
- 4♄︎ Saturn10:24 – 11:16
- 5♃︎ Jupiter11:16 – 12:08
- 6♂︎ Mars12:08 – 13:00
- 7☉︎ Sun13:00 – 13:52
- 8♀︎ Venus13:52 – 14:44
- 9☿︎ Mercury14:44 – 15:36
- 10☽︎ Moon15:36 – 16:28
- 11♄︎ Saturn16:28 – 17:20
- 12♃︎ Jupiter17:20 – 18:12
Night
- 1♂︎ Mars18:12 – 19:19
- 2☉︎ Sun19:19 – 20:27
- 3♀︎ Venus20:27 – 21:35
- 4☿︎ Mercury21:35 – 22:43
- 5☽︎ Moon22:43 – 23:51
- 6♄︎ Saturn23:51 – 00:59
- 7♃︎ Jupiter00:59 – 02:07
- 8♂︎ Mars02:07 – 03:15
- 9☉︎ Sun03:15 – 04:23
- 10♀︎ Venus04:23 – 05:31
- 11☿︎ Mercury05:31 – 06:39
- 12☽︎ Moon06:39 – 07:47
Other cities · Argentina
Questions
How are the planetary hours calculated in Avellaneda?
On Friday, 31 July 2026, the Sun rises at 07:48 and sets at 18:12: the day lasts 10h 24m, that is twelve day hours of 52 min. The night, until the next sunrise at 07:47, lasts 13h 35m: twelve night hours of 1h 08m.
Which planet rules the first hour that day?
Venus, from 07:48 to 08:40: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mercury, the Moon, Saturn, Jupiter, Mars, the Sun, then Venus 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.