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 Friday, 13 February 2026: day of Venus
- Sunrise
- 06:17
- Sunset
- 19:50
- Next sunrise
- 06:18
A day hour lasts 1h 08m; a night hour, 52 min. Local time (America/Argentina/Buenos_Aires).
Day
- 1♀︎ Venus06:17 – 07:25
- 2☿︎ Mercury07:25 – 08:32
- 3☽︎ Moon08:32 – 09:40
- 4♄︎ Saturn09:40 – 10:48
- 5♃︎ Jupiter10:48 – 11:56
- 6♂︎ Mars11:56 – 13:04
- 7☉︎ Sun13:04 – 14:11
- 8♀︎ Venus14:11 – 15:19
- 9☿︎ Mercury15:19 – 16:27
- 10☽︎ Moon16:27 – 17:35
- 11♄︎ Saturn17:35 – 18:42
- 12♃︎ Jupiter18:42 – 19:50
Night
- 1♂︎ Mars19:50 – 20:43
- 2☉︎ Sun20:43 – 21:35
- 3♀︎ Venus21:35 – 22:27
- 4☿︎ Mercury22:27 – 23:20
- 5☽︎ Moon23:20 – 00:12
- 6♄︎ Saturn00:12 – 01:04
- 7♃︎ Jupiter01:04 – 01:56
- 8♂︎ Mars01:56 – 02:49
- 9☉︎ Sun02:49 – 03:41
- 10♀︎ Venus03:41 – 04:33
- 11☿︎ Mercury04:33 – 05:26
- 12☽︎ Moon05:26 – 06:18
Other cities · Argentina
Questions
How are the planetary hours calculated in Mar del Plata?
On Friday, 13 February 2026, the Sun rises at 06:17 and sets at 19:50: the day lasts 13h 33m, that is twelve day hours of 1h 08m. The night, until the next sunrise at 06:18, lasts 10h 28m: twelve night hours of 52 min.
Which planet rules the first hour that day?
Venus, from 06:17 to 07:25: 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.