Planetary hours
in Mar del Plata.
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 Thursday, 3 December 2026: day of Jupiter
- Sunrise
- 05:21
- Sunset
- 19:59
- Next sunrise
- 05:20
A day hour lasts 1h 13m; a night hour, 47 min. Local time (America/Argentina/Buenos_Aires).
Day
- 1♃︎ Jupiter05:21 – 06:34
- 2♂︎ Mars06:34 – 07:47
- 3☉︎ Sun07:47 – 09:00
- 4♀︎ Venus09:00 – 10:13
- 5☿︎ Mercury10:13 – 11:27
- 6☽︎ Moon11:27 – 12:40
- 7♄︎ Saturn12:40 – 13:53
- 8♃︎ Jupiter13:53 – 15:06
- 9♂︎ Mars15:06 – 16:19
- 10☉︎ Sun16:19 – 17:33
- 11♀︎ Venus17:33 – 18:46
- 12☿︎ Mercury18:46 – 19:59
Night
- 1☽︎ Moon19:59 – 20:46
- 2♄︎ Saturn20:46 – 21:32
- 3♃︎ Jupiter21:32 – 22:19
- 4♂︎ Mars22:19 – 23:06
- 5☉︎ Sun23:06 – 23:53
- 6♀︎ Venus23:53 – 00:40
- 7☿︎ Mercury00:40 – 01:26
- 8☽︎ Moon01:26 – 02:13
- 9♄︎ Saturn02:13 – 03:00
- 10♃︎ Jupiter03:00 – 03:47
- 11♂︎ Mars03:47 – 04:34
- 12☉︎ Sun04:34 – 05:20
Other cities · Argentina
Questions
How are the planetary hours calculated in Mar del Plata?
On Thursday, 3 December 2026, the Sun rises at 05:21 and sets at 19:59: the day lasts 14h 38m, that is twelve day hours of 1h 13m. The night, until the next sunrise at 05:20, lasts 9h 22m: twelve night hours of 47 min.
Which planet rules the first hour that day?
Jupiter, from 05:21 to 06:34: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mars, the Sun, Venus, Mercury, the Moon, Saturn, then Jupiter 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.