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 Monday, 21 December 2026: day of the Moon
- Sunrise
- 05:50
- Sunset
- 20:10
- Next sunrise
- 05:51
A day hour lasts 1h 12m; a night hour, 48 min. Local time (America/Argentina/Cordoba).
Day
- 1☽︎ Moon05:50 – 07:02
- 2♄︎ Saturn07:02 – 08:14
- 3♃︎ Jupiter08:14 – 09:25
- 4♂︎ Mars09:25 – 10:37
- 5☉︎ Sun10:37 – 11:49
- 6♀︎ Venus11:49 – 13:00
- 7☿︎ Mercury13:00 – 14:12
- 8☽︎ Moon14:12 – 15:24
- 9♄︎ Saturn15:24 – 16:35
- 10♃︎ Jupiter16:35 – 17:47
- 11♂︎ Mars17:47 – 18:58
- 12☉︎ Sun18:58 – 20:10
Night
- 1♀︎ Venus20:10 – 20:59
- 2☿︎ Mercury20:59 – 21:47
- 3☽︎ Moon21:47 – 22:35
- 4♄︎ Saturn22:35 – 23:24
- 5♃︎ Jupiter23:24 – 00:12
- 6♂︎ Mars00:12 – 01:00
- 7☉︎ Sun01:00 – 01:49
- 8♀︎ Venus01:49 – 02:37
- 9☿︎ Mercury02:37 – 03:26
- 10☽︎ Moon03:26 – 04:14
- 11♄︎ Saturn04:14 – 05:02
- 12♃︎ Jupiter05:02 – 05:51
Other cities · Argentina
Questions
How are the planetary hours calculated in Rosario?
On Monday, 21 December 2026, the Sun rises at 05:50 and sets at 20:10: the day lasts 14h 20m, that is twelve day hours of 1h 12m. The night, until the next sunrise at 05:51, lasts 9h 41m: twelve night hours of 48 min.
Which planet rules the first hour that day?
The Moon, from 05:50 to 07:02: 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.
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.