Planetary hours
in Bahía Blanca.
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, 7 August 2026: day of Venus
- Sunrise
- 08:04
- Sunset
- 18:25
- Next sunrise
- 08:03
A day hour lasts 52 min; a night hour, 1h 08m. Local time (America/Argentina/Buenos_Aires).
Day
- 1♀︎ Venus08:04 – 08:56
- 2☿︎ Mercury08:56 – 09:48
- 3☽︎ Moon09:48 – 10:39
- 4♄︎ Saturn10:39 – 11:31
- 5♃︎ Jupiter11:31 – 12:23
- 6♂︎ Mars12:23 – 13:15
- 7☉︎ Sun13:15 – 14:06
- 8♀︎ Venus14:06 – 14:58
- 9☿︎ Mercury14:58 – 15:50
- 10☽︎ Moon15:50 – 16:41
- 11♄︎ Saturn16:41 – 17:33
- 12♃︎ Jupiter17:33 – 18:25
Night
- 1♂︎ Mars18:25 – 19:33
- 2☉︎ Sun19:33 – 20:41
- 3♀︎ Venus20:41 – 21:49
- 4☿︎ Mercury21:49 – 22:58
- 5☽︎ Moon22:58 – 00:06
- 6♄︎ Saturn00:06 – 01:14
- 7♃︎ Jupiter01:14 – 02:22
- 8♂︎ Mars02:22 – 03:30
- 9☉︎ Sun03:30 – 04:39
- 10♀︎ Venus04:39 – 05:47
- 11☿︎ Mercury05:47 – 06:55
- 12☽︎ Moon06:55 – 08:03
Other cities · Argentina
Questions
How are the planetary hours calculated in Bahía Blanca?
On Friday, 7 August 2026, the Sun rises at 08:04 and sets at 18:25: the day lasts 10h 21m, that is twelve day hours of 52 min. The night, until the next sunrise at 08:03, lasts 13h 38m: twelve night hours of 1h 08m.
Which planet rules the first hour that day?
Venus, from 08:04 to 08:56: 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.