Planetary hours
in Rosario.
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, 12 December 2026: day of Saturn
- Sunrise
- 05:47
- Sunset
- 20:05
- Next sunrise
- 05:47
A day hour lasts 1h 11m; a night hour, 49 min. Local time (America/Argentina/Cordoba).
Day
- 1♄︎ Saturn05:47 – 06:59
- 2♃︎ Jupiter06:59 – 08:10
- 3♂︎ Mars08:10 – 09:21
- 4☉︎ Sun09:21 – 10:33
- 5♀︎ Venus10:33 – 11:44
- 6☿︎ Mercury11:44 – 12:56
- 7☽︎ Moon12:56 – 14:07
- 8♄︎ Saturn14:07 – 15:19
- 9♃︎ Jupiter15:19 – 16:30
- 10♂︎ Mars16:30 – 17:42
- 11☉︎ Sun17:42 – 18:53
- 12♀︎ Venus18:53 – 20:05
Night
- 1☿︎ Mercury20:05 – 20:53
- 2☽︎ Moon20:53 – 21:42
- 3♄︎ Saturn21:42 – 22:30
- 4♃︎ Jupiter22:30 – 23:19
- 5♂︎ Mars23:19 – 00:07
- 6☉︎ Sun00:07 – 00:56
- 7♀︎ Venus00:56 – 01:45
- 8☿︎ Mercury01:45 – 02:33
- 9☽︎ Moon02:33 – 03:22
- 10♄︎ Saturn03:22 – 04:10
- 11♃︎ Jupiter04:10 – 04:59
- 12♂︎ Mars04:59 – 05:47
Other cities · Argentina
Questions
How are the planetary hours calculated in Rosario?
On Saturday, 12 December 2026, the Sun rises at 05:47 and sets at 20:05: the day lasts 14h 18m, that is twelve day hours of 1h 11m. The night, until the next sunrise at 05:47, lasts 9h 43m: twelve night hours of 49 min.
Which planet rules the first hour that day?
Saturn, from 05:47 to 06:59: 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.