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, 24 December 2026: day of Jupiter
- Sunrise
- 05:22
- Sunset
- 19:26
- Next sunrise
- 05:22
A day hour lasts 1h 10m; a night hour, 50 min. Local time (America/Sao_Paulo).
Day
- 1♃︎ Jupiter05:22 – 06:32
- 2♂︎ Mars06:32 – 07:42
- 3☉︎ Sun07:42 – 08:53
- 4♀︎ Venus08:53 – 10:03
- 5☿︎ Mercury10:03 – 11:14
- 6☽︎ Moon11:14 – 12:24
- 7♄︎ Saturn12:24 – 13:34
- 8♃︎ Jupiter13:34 – 14:45
- 9♂︎ Mars14:45 – 15:55
- 10☉︎ Sun15:55 – 17:06
- 11♀︎ Venus17:06 – 18:16
- 12☿︎ Mercury18:16 – 19:26
Night
- 1☽︎ Moon19:26 – 20:16
- 2♄︎ Saturn20:16 – 21:06
- 3♃︎ Jupiter21:06 – 21:55
- 4♂︎ Mars21:55 – 22:45
- 5☉︎ Sun22:45 – 23:35
- 6♀︎ Venus23:35 – 00:24
- 7☿︎ Mercury00:24 – 01:14
- 8☽︎ Moon01:14 – 02:04
- 9♄︎ Saturn02:04 – 02:53
- 10♃︎ Jupiter02:53 – 03:43
- 11♂︎ Mars03:43 – 04:33
- 12☉︎ Sun04:33 – 05:22
Other cities · Brazil
Questions
How are the planetary hours calculated in Porto Alegre?
On Thursday, 24 December 2026, the Sun rises at 05:22 and sets at 19:26: the day lasts 14h 05m, that is twelve day hours of 1h 10m. The night, until the next sunrise at 05:22, lasts 9h 56m: twelve night hours of 50 min.
Which planet rules the first hour that day?
Jupiter, from 05:22 to 06:32: 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.