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, 20 October 2026: day of Mars
- Sunrise
- 06:15
- Sunset
- 19:19
- Next sunrise
- 06:14
A day hour lasts 1h 05m; a night hour, 55 min. Local time (America/Argentina/Cordoba).
Day
- 1♂︎ Mars06:15 – 07:21
- 2☉︎ Sun07:21 – 08:26
- 3♀︎ Venus08:26 – 09:31
- 4☿︎ Mercury09:31 – 10:37
- 5☽︎ Moon10:37 – 11:42
- 6♄︎ Saturn11:42 – 12:47
- 7♃︎ Jupiter12:47 – 13:52
- 8♂︎ Mars13:52 – 14:58
- 9☉︎ Sun14:58 – 16:03
- 10♀︎ Venus16:03 – 17:08
- 11☿︎ Mercury17:08 – 18:13
- 12☽︎ Moon18:13 – 19:19
Night
- 1♄︎ Saturn19:19 – 20:13
- 2♃︎ Jupiter20:13 – 21:08
- 3♂︎ Mars21:08 – 22:03
- 4☉︎ Sun22:03 – 22:57
- 5♀︎ Venus22:57 – 23:52
- 6☿︎ Mercury23:52 – 00:47
- 7☽︎ Moon00:47 – 01:41
- 8♄︎ Saturn01:41 – 02:36
- 9♃︎ Jupiter02:36 – 03:30
- 10♂︎ Mars03:30 – 04:25
- 11☉︎ Sun04:25 – 05:20
- 12♀︎ Venus05:20 – 06:14
Other cities · Argentina
Questions
How are the planetary hours calculated in Rosario?
On Tuesday, 20 October 2026, the Sun rises at 06:15 and sets at 19:19: the day lasts 13h 03m, that is twelve day hours of 1h 05m. The night, until the next sunrise at 06:14, lasts 10h 56m: twelve night hours of 55 min.
Which planet rules the first hour that day?
Mars, from 06:15 to 07:21: 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.