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 Friday, 10 January 2025: day of Venus
- Sunrise
- 05:34
- Sunset
- 19:30
- Next sunrise
- 05:35
A day hour lasts 1h 10m; a night hour, 50 min. Local time (America/Sao_Paulo).
Day
- 1♀︎ Venus05:34 – 06:44
- 2☿︎ Mercury06:44 – 07:53
- 3☽︎ Moon07:53 – 09:03
- 4♄︎ Saturn09:03 – 10:13
- 5♃︎ Jupiter10:13 – 11:22
- 6♂︎ Mars11:22 – 12:32
- 7☉︎ Sun12:32 – 13:42
- 8♀︎ Venus13:42 – 14:51
- 9☿︎ Mercury14:51 – 16:01
- 10☽︎ Moon16:01 – 17:11
- 11♄︎ Saturn17:11 – 18:20
- 12♃︎ Jupiter18:20 – 19:30
Night
- 1♂︎ Mars19:30 – 20:20
- 2☉︎ Sun20:20 – 21:11
- 3♀︎ Venus21:11 – 22:01
- 4☿︎ Mercury22:01 – 22:52
- 5☽︎ Moon22:52 – 23:42
- 6♄︎ Saturn23:42 – 00:32
- 7♃︎ Jupiter00:32 – 01:23
- 8♂︎ Mars01:23 – 02:13
- 9☉︎ Sun02:13 – 03:04
- 10♀︎ Venus03:04 – 03:54
- 11☿︎ Mercury03:54 – 04:44
- 12☽︎ Moon04:44 – 05:35
Other cities · Brazil
Questions
How are the planetary hours calculated in Porto Alegre?
On Friday, 10 January 2025, the Sun rises at 05:34 and sets at 19:30: the day lasts 13h 56m, that is twelve day hours of 1h 10m. The night, until the next sunrise at 05:35, lasts 10h 05m: twelve night hours of 50 min.
Which planet rules the first hour that day?
Venus, from 05:34 to 06:44: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mercury, the Moon, Saturn, Jupiter, Mars, the Sun, then Venus 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.