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 Tuesday, 6 October 2026: day of Mars
- Sunrise
- 05:57
- Sunset
- 18:29
- Next sunrise
- 05:55
A day hour lasts 1h 03m; a night hour, 57 min. Local time (America/Sao_Paulo).
Day
- 1♂︎ Mars05:57 – 06:59
- 2☉︎ Sun06:59 – 08:02
- 3♀︎ Venus08:02 – 09:05
- 4☿︎ Mercury09:05 – 10:07
- 5☽︎ Moon10:07 – 11:10
- 6♄︎ Saturn11:10 – 12:13
- 7♃︎ Jupiter12:13 – 13:15
- 8♂︎ Mars13:15 – 14:18
- 9☉︎ Sun14:18 – 15:21
- 10♀︎ Venus15:21 – 16:23
- 11☿︎ Mercury16:23 – 17:26
- 12☽︎ Moon17:26 – 18:29
Night
- 1♄︎ Saturn18:29 – 19:26
- 2♃︎ Jupiter19:26 – 20:23
- 3♂︎ Mars20:23 – 21:20
- 4☉︎ Sun21:20 – 22:18
- 5♀︎ Venus22:18 – 23:15
- 6☿︎ Mercury23:15 – 00:12
- 7☽︎ Moon00:12 – 01:09
- 8♄︎ Saturn01:09 – 02:07
- 9♃︎ Jupiter02:07 – 03:04
- 10♂︎ Mars03:04 – 04:01
- 11☉︎ Sun04:01 – 04:58
- 12♀︎ Venus04:58 – 05:55
Other cities · Brazil
Questions
How are the planetary hours calculated in Porto Alegre?
On Tuesday, 6 October 2026, the Sun rises at 05:57 and sets at 18:29: the day lasts 12h 32m, that is twelve day hours of 1h 03m. The night, until the next sunrise at 05:55, lasts 11h 27m: twelve night hours of 57 min.
Which planet rules the first hour that day?
Mars, from 05:57 to 06:59: 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.