Planetary hours
in Buenos Aires.
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, 5 June 2026: day of Venus
- Sunrise
- 07:54
- Sunset
- 17:49
- Next sunrise
- 07:54
A day hour lasts 50 min; a night hour, 1h 10m. Local time (America/Argentina/Buenos_Aires).
Day
- 1♀︎ Venus07:54 – 08:43
- 2☿︎ Mercury08:43 – 09:33
- 3☽︎ Moon09:33 – 10:23
- 4♄︎ Saturn10:23 – 11:12
- 5♃︎ Jupiter11:12 – 12:02
- 6♂︎ Mars12:02 – 12:52
- 7☉︎ Sun12:52 – 13:41
- 8♀︎ Venus13:41 – 14:31
- 9☿︎ Mercury14:31 – 15:20
- 10☽︎ Moon15:20 – 16:10
- 11♄︎ Saturn16:10 – 17:00
- 12♃︎ Jupiter17:00 – 17:49
Night
- 1♂︎ Mars17:49 – 19:00
- 2☉︎ Sun19:00 – 20:10
- 3♀︎ Venus20:10 – 21:21
- 4☿︎ Mercury21:21 – 22:31
- 5☽︎ Moon22:31 – 23:41
- 6♄︎ Saturn23:41 – 00:52
- 7♃︎ Jupiter00:52 – 02:02
- 8♂︎ Mars02:02 – 03:13
- 9☉︎ Sun03:13 – 04:23
- 10♀︎ Venus04:23 – 05:33
- 11☿︎ Mercury05:33 – 06:44
- 12☽︎ Moon06:44 – 07:54
Other cities · Argentina
Questions
How are the planetary hours calculated in Buenos Aires?
On Friday, 5 June 2026, the Sun rises at 07:54 and sets at 17:49: the day lasts 9h 56m, that is twelve day hours of 50 min. The night, until the next sunrise at 07:54, lasts 14h 05m: twelve night hours of 1h 10m.
Which planet rules the first hour that day?
Venus, from 07:54 to 08:43: 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.