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 Friday, 4 December 2026: day of Venus
- Sunrise
- 05:46
- Sunset
- 19:59
- Next sunrise
- 05:46
A day hour lasts 1h 11m; a night hour, 49 min. Local time (America/Argentina/Cordoba).
Day
- 1♀︎ Venus05:46 – 06:57
- 2☿︎ Mercury06:57 – 08:08
- 3☽︎ Moon08:08 – 09:19
- 4♄︎ Saturn09:19 – 10:30
- 5♃︎ Jupiter10:30 – 11:41
- 6♂︎ Mars11:41 – 12:52
- 7☉︎ Sun12:52 – 14:03
- 8♀︎ Venus14:03 – 15:15
- 9☿︎ Mercury15:15 – 16:26
- 10☽︎ Moon16:26 – 17:37
- 11♄︎ Saturn17:37 – 18:48
- 12♃︎ Jupiter18:48 – 19:59
Night
- 1♂︎ Mars19:59 – 20:48
- 2☉︎ Sun20:48 – 21:37
- 3♀︎ Venus21:37 – 22:26
- 4☿︎ Mercury22:26 – 23:15
- 5☽︎ Moon23:15 – 00:03
- 6♄︎ Saturn00:03 – 00:52
- 7♃︎ Jupiter00:52 – 01:41
- 8♂︎ Mars01:41 – 02:30
- 9☉︎ Sun02:30 – 03:19
- 10♀︎ Venus03:19 – 04:08
- 11☿︎ Mercury04:08 – 04:57
- 12☽︎ Moon04:57 – 05:46
Other cities · Argentina
Questions
How are the planetary hours calculated in Rosario?
On Friday, 4 December 2026, the Sun rises at 05:46 and sets at 19:59: the day lasts 14h 12m, that is twelve day hours of 1h 11m. The night, until the next sunrise at 05:46, lasts 9h 48m: twelve night hours of 49 min.
Which planet rules the first hour that day?
Venus, from 05:46 to 06:57: 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.