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 Tuesday, 8 September 2026: day of Mars
- Sunrise
- 07:10
- Sunset
- 18:49
- Next sunrise
- 07:09
A day hour lasts 58 min; a night hour, 1h 02m. Local time (America/Argentina/Cordoba).
Day
- 1♂︎ Mars07:10 – 08:09
- 2☉︎ Sun08:09 – 09:07
- 3♀︎ Venus09:07 – 10:05
- 4☿︎ Mercury10:05 – 11:03
- 5☽︎ Moon11:03 – 12:02
- 6♄︎ Saturn12:02 – 13:00
- 7♃︎ Jupiter13:00 – 13:58
- 8♂︎ Mars13:58 – 14:56
- 9☉︎ Sun14:56 – 15:55
- 10♀︎ Venus15:55 – 16:53
- 11☿︎ Mercury16:53 – 17:51
- 12☽︎ Moon17:51 – 18:49
Night
- 1♄︎ Saturn18:49 – 19:51
- 2♃︎ Jupiter19:51 – 20:53
- 3♂︎ Mars20:53 – 21:54
- 4☉︎ Sun21:54 – 22:56
- 5♀︎ Venus22:56 – 23:58
- 6☿︎ Mercury23:58 – 00:59
- 7☽︎ Moon00:59 – 02:01
- 8♄︎ Saturn02:01 – 03:03
- 9♃︎ Jupiter03:03 – 04:04
- 10♂︎ Mars04:04 – 05:06
- 11☉︎ Sun05:06 – 06:07
- 12♀︎ Venus06:07 – 07:09
Other cities · Argentina
Questions
How are the planetary hours calculated in Rosario?
On Tuesday, 8 September 2026, the Sun rises at 07:10 and sets at 18:49: the day lasts 11h 39m, that is twelve day hours of 58 min. The night, until the next sunrise at 07:09, lasts 12h 20m: twelve night hours of 1h 02m.
Which planet rules the first hour that day?
Mars, from 07:10 to 08:09: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Sun, Venus, Mercury, the Moon, Saturn, Jupiter, then Mars 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.