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 Wednesday, 9 December 2026: day of Mercury
- Sunrise
- 05:46
- Sunset
- 20:03
- Next sunrise
- 05:47
A day hour lasts 1h 11m; a night hour, 49 min. Local time (America/Argentina/Cordoba).
Day
- 1☿︎ Mercury05:46 – 06:58
- 2☽︎ Moon06:58 – 08:09
- 3♄︎ Saturn08:09 – 09:21
- 4♃︎ Jupiter09:21 – 10:32
- 5♂︎ Mars10:32 – 11:43
- 6☉︎ Sun11:43 – 12:55
- 7♀︎ Venus12:55 – 14:06
- 8☿︎ Mercury14:06 – 15:17
- 9☽︎ Moon15:17 – 16:29
- 10♄︎ Saturn16:29 – 17:40
- 11♃︎ Jupiter17:40 – 18:51
- 12♂︎ Mars18:51 – 20:03
Night
- 1☉︎ Sun20:03 – 20:51
- 2♀︎ Venus20:51 – 21:40
- 3☿︎ Mercury21:40 – 22:29
- 4☽︎ Moon22:29 – 23:17
- 5♄︎ Saturn23:17 – 00:06
- 6♃︎ Jupiter00:06 – 00:55
- 7♂︎ Mars00:55 – 01:43
- 8☉︎ Sun01:43 – 02:32
- 9♀︎ Venus02:32 – 03:21
- 10☿︎ Mercury03:21 – 04:09
- 11☽︎ Moon04:09 – 04:58
- 12♄︎ Saturn04:58 – 05:47
Other cities · Argentina
Questions
How are the planetary hours calculated in Rosario?
On Wednesday, 9 December 2026, the Sun rises at 05:46 and sets at 20:03: the day lasts 14h 16m, that is twelve day hours of 1h 11m. The night, until the next sunrise at 05:47, lasts 9h 44m: twelve night hours of 49 min.
Which planet rules the first hour that day?
Mercury, from 05:46 to 06:58: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Moon, Saturn, Jupiter, Mars, the Sun, Venus, then Mercury 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.