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, 29 October 2026: day of Jupiter
- Sunrise
- 05:32
- Sunset
- 18:44
- Next sunrise
- 05:31
A day hour lasts 1h 06m; a night hour, 54 min. Local time (America/Sao_Paulo).
Day
- 1♃︎ Jupiter05:32 – 06:38
- 2♂︎ Mars06:38 – 07:44
- 3☉︎ Sun07:44 – 08:50
- 4♀︎ Venus08:50 – 09:56
- 5☿︎ Mercury09:56 – 11:02
- 6☽︎ Moon11:02 – 12:08
- 7♄︎ Saturn12:08 – 13:14
- 8♃︎ Jupiter13:14 – 14:20
- 9♂︎ Mars14:20 – 15:26
- 10☉︎ Sun15:26 – 16:32
- 11♀︎ Venus16:32 – 17:38
- 12☿︎ Mercury17:38 – 18:44
Night
- 1☽︎ Moon18:44 – 19:38
- 2♄︎ Saturn19:38 – 20:32
- 3♃︎ Jupiter20:32 – 21:26
- 4♂︎ Mars21:26 – 22:20
- 5☉︎ Sun22:20 – 23:14
- 6♀︎ Venus23:14 – 00:08
- 7☿︎ Mercury00:08 – 01:02
- 8☽︎ Moon01:02 – 01:56
- 9♄︎ Saturn01:56 – 02:50
- 10♃︎ Jupiter02:50 – 03:44
- 11♂︎ Mars03:44 – 04:37
- 12☉︎ Sun04:37 – 05:31
Other cities · Brazil
Questions
How are the planetary hours calculated in Porto Alegre?
On Thursday, 29 October 2026, the Sun rises at 05:32 and sets at 18:44: the day lasts 13h 12m, that is twelve day hours of 1h 06m. The night, until the next sunrise at 05:31, lasts 10h 47m: twelve night hours of 54 min.
Which planet rules the first hour that day?
Jupiter, from 05:32 to 06:38: 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.