Planetary hours
in Rio de Janeiro.
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, 22 October 2026: day of Jupiter
- Sunrise
- 05:14
- Sunset
- 18:00
- Next sunrise
- 05:13
A day hour lasts 1h 04m; a night hour, 56 min. Local time (America/Sao_Paulo).
Day
- 1♃︎ Jupiter05:14 – 06:18
- 2♂︎ Mars06:18 – 07:22
- 3☉︎ Sun07:22 – 08:25
- 4♀︎ Venus08:25 – 09:29
- 5☿︎ Mercury09:29 – 10:33
- 6☽︎ Moon10:33 – 11:37
- 7♄︎ Saturn11:37 – 12:41
- 8♃︎ Jupiter12:41 – 13:44
- 9♂︎ Mars13:44 – 14:48
- 10☉︎ Sun14:48 – 15:52
- 11♀︎ Venus15:52 – 16:56
- 12☿︎ Mercury16:56 – 18:00
Night
- 1☽︎ Moon18:00 – 18:56
- 2♄︎ Saturn18:56 – 19:52
- 3♃︎ Jupiter19:52 – 20:48
- 4♂︎ Mars20:48 – 21:44
- 5☉︎ Sun21:44 – 22:40
- 6♀︎ Venus22:40 – 23:36
- 7☿︎ Mercury23:36 – 00:33
- 8☽︎ Moon00:33 – 01:29
- 9♄︎ Saturn01:29 – 02:25
- 10♃︎ Jupiter02:25 – 03:21
- 11♂︎ Mars03:21 – 04:17
- 12☉︎ Sun04:17 – 05:13
Other cities · Brazil
Questions
How are the planetary hours calculated in Rio de Janeiro?
On Thursday, 22 October 2026, the Sun rises at 05:14 and sets at 18:00: the day lasts 12h 46m, that is twelve day hours of 1h 04m. The night, until the next sunrise at 05:13, lasts 11h 14m: twelve night hours of 56 min.
Which planet rules the first hour that day?
Jupiter, from 05:14 to 06:18: 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.