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Planetary hours · Mar del Plata (Argentina)

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 Monday, 7 December 2026: day of the Moon

Sunrise
05:20
Sunset
20:02
Next sunrise
05:20

A day hour lasts 1h 14m; a night hour, 46 min. Local time (America/Argentina/Buenos_Aires).

Day

  1. 1☽︎ Moon05:20 – 06:34
  2. 2♄︎ Saturn06:34 – 07:47
  3. 3♃︎ Jupiter07:47 – 09:01
  4. 4♂︎ Mars09:01 – 10:14
  5. 5☉︎ Sun10:14 – 11:28
  6. 6♀︎ Venus11:28 – 12:41
  7. 7☿︎ Mercury12:41 – 13:55
  8. 8☽︎ Moon13:55 – 15:08
  9. 9♄︎ Saturn15:08 – 16:22
  10. 10♃︎ Jupiter16:22 – 17:35
  11. 11♂︎ Mars17:35 – 18:49
  12. 12☉︎ Sun18:49 – 20:02

Night

  1. 1♀︎ Venus20:02 – 20:49
  2. 2☿︎ Mercury20:49 – 21:35
  3. 3☽︎ Moon21:35 – 22:22
  4. 4♄︎ Saturn22:22 – 23:08
  5. 5♃︎ Jupiter23:08 – 23:55
  6. 6♂︎ Mars23:55 – 00:41
  7. 7☉︎ Sun00:41 – 01:28
  8. 8♀︎ Venus01:28 – 02:14
  9. 9☿︎ Mercury02:14 – 03:01
  10. 10☽︎ Moon03:01 – 03:47
  11. 11♄︎ Saturn03:47 – 04:34
  12. 12♃︎ Jupiter04:34 – 05:20

Questions

How are the planetary hours calculated in Mar del Plata?

On Monday, 7 December 2026, the Sun rises at 05:20 and sets at 20:02: the day lasts 14h 42m, that is twelve day hours of 1h 14m. The night, until the next sunrise at 05:20, lasts 9h 18m: twelve night hours of 46 min.

Which planet rules the first hour that day?

The Moon, from 05:20 to 06:34: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Saturn, Jupiter, Mars, the Sun, Venus, Mercury, then the Moon 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.

My sky on my chart

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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.