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 Monday, 21 December 2026: day of the Moon
- Sunrise
- 05:16
- Sunset
- 18:51
- Next sunrise
- 05:17
A day hour lasts 1h 08m; a night hour, 52 min. Local time (America/Sao_Paulo).
Day
- 1☽︎ Moon05:16 – 06:24
- 2♄︎ Saturn06:24 – 07:32
- 3♃︎ Jupiter07:32 – 08:40
- 4♂︎ Mars08:40 – 09:48
- 5☉︎ Sun09:48 – 10:56
- 6♀︎ Venus10:56 – 12:04
- 7☿︎ Mercury12:04 – 13:12
- 8☽︎ Moon13:12 – 14:20
- 9♄︎ Saturn14:20 – 15:28
- 10♃︎ Jupiter15:28 – 16:35
- 11♂︎ Mars16:35 – 17:43
- 12☉︎ Sun17:43 – 18:51
Night
- 1♀︎ Venus18:51 – 19:43
- 2☿︎ Mercury19:43 – 20:36
- 3☽︎ Moon20:36 – 21:28
- 4♄︎ Saturn21:28 – 22:20
- 5♃︎ Jupiter22:20 – 23:12
- 6♂︎ Mars23:12 – 00:04
- 7☉︎ Sun00:04 – 00:56
- 8♀︎ Venus00:56 – 01:48
- 9☿︎ Mercury01:48 – 02:40
- 10☽︎ Moon02:40 – 03:32
- 11♄︎ Saturn03:32 – 04:25
- 12♃︎ Jupiter04:25 – 05:17
Other cities · Brazil
Questions
How are the planetary hours calculated in Guarulhos?
On Monday, 21 December 2026, the Sun rises at 05:16 and sets at 18:51: the day lasts 13h 35m, that is twelve day hours of 1h 08m. The night, until the next sunrise at 05:17, lasts 10h 25m: twelve night hours of 52 min.
Which planet rules the first hour that day?
The Moon, from 05:16 to 06:24: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Saturn, Jupiter, Mars, the Sun, Venus, Mercury, then the Moon 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.