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 Monday, 4 May 2026: day of the Moon
- Sunrise
- 06:55
- Sunset
- 17:47
- Next sunrise
- 06:56
A day hour lasts 54 min; a night hour, 1h 06m. Local time (America/Sao_Paulo).
Day
- 1☽︎ Moon06:55 – 07:50
- 2♄︎ Saturn07:50 – 08:44
- 3♃︎ Jupiter08:44 – 09:38
- 4♂︎ Mars09:38 – 10:32
- 5☉︎ Sun10:32 – 11:27
- 6♀︎ Venus11:27 – 12:21
- 7☿︎ Mercury12:21 – 13:15
- 8☽︎ Moon13:15 – 14:10
- 9♄︎ Saturn14:10 – 15:04
- 10♃︎ Jupiter15:04 – 15:58
- 11♂︎ Mars15:58 – 16:52
- 12☉︎ Sun16:52 – 17:47
Night
- 1♀︎ Venus17:47 – 18:52
- 2☿︎ Mercury18:52 – 19:58
- 3☽︎ Moon19:58 – 21:04
- 4♄︎ Saturn21:04 – 22:10
- 5♃︎ Jupiter22:10 – 23:16
- 6♂︎ Mars23:16 – 00:21
- 7☉︎ Sun00:21 – 01:27
- 8♀︎ Venus01:27 – 02:33
- 9☿︎ Mercury02:33 – 03:39
- 10☽︎ Moon03:39 – 04:44
- 11♄︎ Saturn04:44 – 05:50
- 12♃︎ Jupiter05:50 – 06:56
Other cities · Brazil
Questions
How are the planetary hours calculated in Porto Alegre?
On Monday, 4 May 2026, the Sun rises at 06:55 and sets at 17:47: the day lasts 10h 51m, that is twelve day hours of 54 min. The night, until the next sunrise at 06:56, lasts 13h 09m: twelve night hours of 1h 06m.
Which planet rules the first hour that day?
The Moon, from 06:55 to 07:50: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Saturn, Jupiter, Mars, the Sun, Venus, Mercury, then the Moon 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.