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, 17 October 2026: day of Saturn
- Sunrise
- 06:19
- Sunset
- 19:16
- Next sunrise
- 06:18
A day hour lasts 1h 05m; a night hour, 55 min. Local time (America/Argentina/Cordoba).
Day
- 1♄︎ Saturn06:19 – 07:24
- 2♃︎ Jupiter07:24 – 08:29
- 3♂︎ Mars08:29 – 09:33
- 4☉︎ Sun09:33 – 10:38
- 5♀︎ Venus10:38 – 11:43
- 6☿︎ Mercury11:43 – 12:48
- 7☽︎ Moon12:48 – 13:52
- 8♄︎ Saturn13:52 – 14:57
- 9♃︎ Jupiter14:57 – 16:02
- 10♂︎ Mars16:02 – 17:07
- 11☉︎ Sun17:07 – 18:12
- 12♀︎ Venus18:12 – 19:16
Night
- 1☿︎ Mercury19:16 – 20:11
- 2☽︎ Moon20:11 – 21:07
- 3♄︎ Saturn21:07 – 22:02
- 4♃︎ Jupiter22:02 – 22:57
- 5♂︎ Mars22:57 – 23:52
- 6☉︎ Sun23:52 – 00:47
- 7♀︎ Venus00:47 – 01:42
- 8☿︎ Mercury01:42 – 02:37
- 9☽︎ Moon02:37 – 03:32
- 10♄︎ Saturn03:32 – 04:28
- 11♃︎ Jupiter04:28 – 05:23
- 12♂︎ Mars05:23 – 06:18
Other cities · Argentina
Questions
How are the planetary hours calculated in Rosario?
On Saturday, 17 October 2026, the Sun rises at 06:19 and sets at 19:16: the day lasts 12h 57m, that is twelve day hours of 1h 05m. The night, until the next sunrise at 06:18, lasts 11h 01m: twelve night hours of 55 min.
Which planet rules the first hour that day?
Saturn, from 06:19 to 07:24: 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.