Planetary hours
in Porto Alegre.
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 Thursday, 23 July 2026: day of Jupiter
- Sunrise
- 07:15
- Sunset
- 17:47
- Next sunrise
- 07:15
A day hour lasts 53 min; a night hour, 1h 07m. Local time (America/Sao_Paulo).
Day
- 1♃︎ Jupiter07:15 – 08:08
- 2♂︎ Mars08:08 – 09:01
- 3☉︎ Sun09:01 – 09:53
- 4♀︎ Venus09:53 – 10:46
- 5☿︎ Mercury10:46 – 11:38
- 6☽︎ Moon11:38 – 12:31
- 7♄︎ Saturn12:31 – 13:24
- 8♃︎ Jupiter13:24 – 14:16
- 9♂︎ Mars14:16 – 15:09
- 10☉︎ Sun15:09 – 16:02
- 11♀︎ Venus16:02 – 16:54
- 12☿︎ Mercury16:54 – 17:47
Night
- 1☽︎ Moon17:47 – 18:54
- 2♄︎ Saturn18:54 – 20:01
- 3♃︎ Jupiter20:01 – 21:09
- 4♂︎ Mars21:09 – 22:16
- 5☉︎ Sun22:16 – 23:23
- 6♀︎ Venus23:23 – 00:31
- 7☿︎ Mercury00:31 – 01:38
- 8☽︎ Moon01:38 – 02:45
- 9♄︎ Saturn02:45 – 03:53
- 10♃︎ Jupiter03:53 – 05:00
- 11♂︎ Mars05:00 – 06:08
- 12☉︎ Sun06:08 – 07:15
Other cities · Brazil
Questions
How are the planetary hours calculated in Porto Alegre?
On Thursday, 23 July 2026, the Sun rises at 07:15 and sets at 17:47: the day lasts 10h 31m, that is twelve day hours of 53 min. The night, until the next sunrise at 07:15, lasts 13h 28m: twelve night hours of 1h 07m.
Which planet rules the first hour that day?
Jupiter, from 07:15 to 08:08: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mars, the Sun, Venus, Mercury, the Moon, Saturn, then Jupiter 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.