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 Friday, 9 October 2026: day of Venus
- Sunrise
- 05:38
- Sunset
- 18:08
- Next sunrise
- 05:37
A day hour lasts 1h 02m; a night hour, 57 min. Local time (America/Sao_Paulo).
Day
- 1♀︎ Venus05:38 – 06:41
- 2☿︎ Mercury06:41 – 07:43
- 3☽︎ Moon07:43 – 08:46
- 4♄︎ Saturn08:46 – 09:48
- 5♃︎ Jupiter09:48 – 10:51
- 6♂︎ Mars10:51 – 11:53
- 7☉︎ Sun11:53 – 12:55
- 8♀︎ Venus12:55 – 13:58
- 9☿︎ Mercury13:58 – 15:00
- 10☽︎ Moon15:00 – 16:03
- 11♄︎ Saturn16:03 – 17:05
- 12♃︎ Jupiter17:05 – 18:08
Night
- 1♂︎ Mars18:08 – 19:05
- 2☉︎ Sun19:05 – 20:03
- 3♀︎ Venus20:03 – 21:00
- 4☿︎ Mercury21:00 – 21:58
- 5☽︎ Moon21:58 – 22:55
- 6♄︎ Saturn22:55 – 23:53
- 7♃︎ Jupiter23:53 – 00:50
- 8♂︎ Mars00:50 – 01:47
- 9☉︎ Sun01:47 – 02:45
- 10♀︎ Venus02:45 – 03:42
- 11☿︎ Mercury03:42 – 04:40
- 12☽︎ Moon04:40 – 05:37
Other cities · Brazil
Questions
How are the planetary hours calculated in Guarulhos?
On Friday, 9 October 2026, the Sun rises at 05:38 and sets at 18:08: the day lasts 12h 30m, that is twelve day hours of 1h 02m. The night, until the next sunrise at 05:37, lasts 11h 29m: twelve night hours of 57 min.
Which planet rules the first hour that day?
Venus, from 05:38 to 06:41: 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.