Planetary hours
in Guarulhos.
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, 17 December 2026: day of Jupiter
- Sunrise
- 05:14
- Sunset
- 18:49
- Next sunrise
- 05:15
A day hour lasts 1h 08m; a night hour, 52 min. Local time (America/Sao_Paulo).
Day
- 1♃︎ Jupiter05:14 – 06:22
- 2♂︎ Mars06:22 – 07:30
- 3☉︎ Sun07:30 – 08:38
- 4♀︎ Venus08:38 – 09:46
- 5☿︎ Mercury09:46 – 10:54
- 6☽︎ Moon10:54 – 12:02
- 7♄︎ Saturn12:02 – 13:10
- 8♃︎ Jupiter13:10 – 14:18
- 9♂︎ Mars14:18 – 15:25
- 10☉︎ Sun15:25 – 16:33
- 11♀︎ Venus16:33 – 17:41
- 12☿︎ Mercury17:41 – 18:49
Night
- 1☽︎ Moon18:49 – 19:41
- 2♄︎ Saturn19:41 – 20:33
- 3♃︎ Jupiter20:33 – 21:26
- 4♂︎ Mars21:26 – 22:18
- 5☉︎ Sun22:18 – 23:10
- 6♀︎ Venus23:10 – 00:02
- 7☿︎ Mercury00:02 – 00:54
- 8☽︎ Moon00:54 – 01:46
- 9♄︎ Saturn01:46 – 02:38
- 10♃︎ Jupiter02:38 – 03:31
- 11♂︎ Mars03:31 – 04:23
- 12☉︎ Sun04:23 – 05:15
Other cities · Brazil
Questions
How are the planetary hours calculated in Guarulhos?
On Thursday, 17 December 2026, the Sun rises at 05:14 and sets at 18:49: the day lasts 13h 35m, that is twelve day hours of 1h 08m. The night, until the next sunrise at 05:15, lasts 10h 26m: twelve night hours of 52 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.