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 Sunday, 19 April 2026: day of the Sun
- Sunrise
- 07:40
- Sunset
- 18:35
- Next sunrise
- 07:41
A day hour lasts 55 min; a night hour, 1h 06m. Local time (America/Argentina/Buenos_Aires).
Day
- 1☉︎ Sun07:40 – 08:35
- 2♀︎ Venus08:35 – 09:29
- 3☿︎ Mercury09:29 – 10:24
- 4☽︎ Moon10:24 – 11:18
- 5♄︎ Saturn11:18 – 12:13
- 6♃︎ Jupiter12:13 – 13:07
- 7♂︎ Mars13:07 – 14:02
- 8☉︎ Sun14:02 – 14:57
- 9♀︎ Venus14:57 – 15:51
- 10☿︎ Mercury15:51 – 16:46
- 11☽︎ Moon16:46 – 17:40
- 12♄︎ Saturn17:40 – 18:35
Night
- 1♃︎ Jupiter18:35 – 19:40
- 2♂︎ Mars19:40 – 20:46
- 3☉︎ Sun20:46 – 21:51
- 4♀︎ Venus21:51 – 22:57
- 5☿︎ Mercury22:57 – 00:02
- 6☽︎ Moon00:02 – 01:08
- 7♄︎ Saturn01:08 – 02:13
- 8♃︎ Jupiter02:13 – 03:19
- 9♂︎ Mars03:19 – 04:24
- 10☉︎ Sun04:24 – 05:30
- 11♀︎ Venus05:30 – 06:35
- 12☿︎ Mercury06:35 – 07:41
Other cities · Argentina
Questions
How are the planetary hours calculated in Bahía Blanca?
On Sunday, 19 April 2026, the Sun rises at 07:40 and sets at 18:35: the day lasts 10h 55m, that is twelve day hours of 55 min. The night, until the next sunrise at 07:41, lasts 13h 06m: twelve night hours of 1h 06m.
Which planet rules the first hour that day?
The Sun, from 07:40 to 08:35: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Venus, Mercury, the Moon, Saturn, Jupiter, Mars, then the Sun 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.