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 Wednesday, 7 October 2026: day of Mercury
- Sunrise
- 05:40
- Sunset
- 18:07
- Next sunrise
- 05:39
A day hour lasts 1h 02m; a night hour, 58 min. Local time (America/Sao_Paulo).
Day
- 1☿︎ Mercury05:40 – 06:42
- 2☽︎ Moon06:42 – 07:45
- 3♄︎ Saturn07:45 – 08:47
- 4♃︎ Jupiter08:47 – 09:49
- 5♂︎ Mars09:49 – 10:51
- 6☉︎ Sun10:51 – 11:54
- 7♀︎ Venus11:54 – 12:56
- 8☿︎ Mercury12:56 – 13:58
- 9☽︎ Moon13:58 – 15:00
- 10♄︎ Saturn15:00 – 16:03
- 11♃︎ Jupiter16:03 – 17:05
- 12♂︎ Mars17:05 – 18:07
Night
- 1☉︎ Sun18:07 – 19:05
- 2♀︎ Venus19:05 – 20:02
- 3☿︎ Mercury20:02 – 21:00
- 4☽︎ Moon21:00 – 21:58
- 5♄︎ Saturn21:58 – 22:55
- 6♃︎ Jupiter22:55 – 23:53
- 7♂︎ Mars23:53 – 00:51
- 8☉︎ Sun00:51 – 01:48
- 9♀︎ Venus01:48 – 02:46
- 10☿︎ Mercury02:46 – 03:44
- 11☽︎ Moon03:44 – 04:41
- 12♄︎ Saturn04:41 – 05:39
Other cities · Brazil
Questions
How are the planetary hours calculated in Guarulhos?
On Wednesday, 7 October 2026, the Sun rises at 05:40 and sets at 18:07: the day lasts 12h 27m, that is twelve day hours of 1h 02m. The night, until the next sunrise at 05:39, lasts 11h 32m: twelve night hours of 58 min.
Which planet rules the first hour that day?
Mercury, from 05:40 to 06:42: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Moon, Saturn, Jupiter, Mars, the Sun, Venus, then Mercury 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.