Planetary hours
in Goiânia.
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 Tuesday, 15 December 2026: day of Mars
- Sunrise
- 05:38
- Sunset
- 18:45
- Next sunrise
- 05:39
A day hour lasts 1h 06m; a night hour, 54 min. Local time (America/Sao_Paulo).
Day
- 1♂︎ Mars05:38 – 06:44
- 2☉︎ Sun06:44 – 07:49
- 3♀︎ Venus07:49 – 08:55
- 4☿︎ Mercury08:55 – 10:01
- 5☽︎ Moon10:01 – 11:06
- 6♄︎ Saturn11:06 – 12:12
- 7♃︎ Jupiter12:12 – 13:17
- 8♂︎ Mars13:17 – 14:23
- 9☉︎ Sun14:23 – 15:28
- 10♀︎ Venus15:28 – 16:34
- 11☿︎ Mercury16:34 – 17:40
- 12☽︎ Moon17:40 – 18:45
Night
- 1♄︎ Saturn18:45 – 19:40
- 2♃︎ Jupiter19:40 – 20:34
- 3♂︎ Mars20:34 – 21:29
- 4☉︎ Sun21:29 – 22:23
- 5♀︎ Venus22:23 – 23:17
- 6☿︎ Mercury23:17 – 00:12
- 7☽︎ Moon00:12 – 01:06
- 8♄︎ Saturn01:06 – 02:01
- 9♃︎ Jupiter02:01 – 02:55
- 10♂︎ Mars02:55 – 03:50
- 11☉︎ Sun03:50 – 04:44
- 12♀︎ Venus04:44 – 05:39
Other cities · Brazil
Questions
How are the planetary hours calculated in Goiânia?
On Tuesday, 15 December 2026, the Sun rises at 05:38 and sets at 18:45: the day lasts 13h 07m, that is twelve day hours of 1h 06m. The night, until the next sunrise at 05:39, lasts 10h 53m: twelve night hours of 54 min.
Which planet rules the first hour that day?
Mars, from 05:38 to 06:44: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Sun, Venus, Mercury, the Moon, Saturn, Jupiter, then Mars 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.