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 Saturday, 9 May 2026: day of Saturn
- Sunrise
- 07:59
- Sunset
- 18:11
- Next sunrise
- 08:00
A day hour lasts 51 min; a night hour, 1h 09m. Local time (America/Argentina/Buenos_Aires).
Day
- 1♄︎ Saturn07:59 – 08:50
- 2♃︎ Jupiter08:50 – 09:41
- 3♂︎ Mars09:41 – 10:32
- 4☉︎ Sun10:32 – 11:23
- 5♀︎ Venus11:23 – 12:14
- 6☿︎ Mercury12:14 – 13:05
- 7☽︎ Moon13:05 – 13:56
- 8♄︎ Saturn13:56 – 14:47
- 9♃︎ Jupiter14:47 – 15:38
- 10♂︎ Mars15:38 – 16:29
- 11☉︎ Sun16:29 – 17:20
- 12♀︎ Venus17:20 – 18:11
Night
- 1☿︎ Mercury18:11 – 19:20
- 2☽︎ Moon19:20 – 20:29
- 3♄︎ Saturn20:29 – 21:38
- 4♃︎ Jupiter21:38 – 22:47
- 5♂︎ Mars22:47 – 23:56
- 6☉︎ Sun23:56 – 01:05
- 7♀︎ Venus01:05 – 02:14
- 8☿︎ Mercury02:14 – 03:23
- 9☽︎ Moon03:23 – 04:32
- 10♄︎ Saturn04:32 – 05:42
- 11♃︎ Jupiter05:42 – 06:51
- 12♂︎ Mars06:51 – 08:00
Other cities · Argentina
Questions
How are the planetary hours calculated in Bahía Blanca?
On Saturday, 9 May 2026, the Sun rises at 07:59 and sets at 18:11: the day lasts 10h 12m, that is twelve day hours of 51 min. The night, until the next sunrise at 08:00, lasts 13h 49m: twelve night hours of 1h 09m.
Which planet rules the first hour that day?
Saturn, from 07:59 to 08:50: 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.