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, 7 January 2027: day of Jupiter
- Sunrise
- 05:14
- Sunset
- 18:42
- Next sunrise
- 05:15
A day hour lasts 1h 07m; a night hour, 53 min. Local time (America/Sao_Paulo).
Day
- 1♃︎ Jupiter05:14 – 06:22
- 2♂︎ Mars06:22 – 07:29
- 3☉︎ Sun07:29 – 08:36
- 4♀︎ Venus08:36 – 09:44
- 5☿︎ Mercury09:44 – 10:51
- 6☽︎ Moon10:51 – 11:58
- 7♄︎ Saturn11:58 – 13:06
- 8♃︎ Jupiter13:06 – 14:13
- 9♂︎ Mars14:13 – 15:20
- 10☉︎ Sun15:20 – 16:28
- 11♀︎ Venus16:28 – 17:35
- 12☿︎ Mercury17:35 – 18:42
Night
- 1☽︎ Moon18:42 – 19:35
- 2♄︎ Saturn19:35 – 20:28
- 3♃︎ Jupiter20:28 – 21:21
- 4♂︎ Mars21:21 – 22:13
- 5☉︎ Sun22:13 – 23:06
- 6♀︎ Venus23:06 – 23:59
- 7☿︎ Mercury23:59 – 00:51
- 8☽︎ Moon00:51 – 01:44
- 9♄︎ Saturn01:44 – 02:37
- 10♃︎ Jupiter02:37 – 03:30
- 11♂︎ Mars03:30 – 04:22
- 12☉︎ Sun04:22 – 05:15
Other cities · Brazil
Questions
How are the planetary hours calculated in Rio de Janeiro?
On Thursday, 7 January 2027, the Sun rises at 05:14 and sets at 18:42: the day lasts 13h 28m, that is twelve day hours of 1h 07m. The night, until the next sunrise at 05:15, lasts 10h 32m: twelve night hours of 53 min.
Which planet rules the first hour that day?
Jupiter, from 05:14 to 06:22: 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.