Planetary hours
in Logan City.
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, 16 December 2025: day of Mars
- Sunrise
- 04:46
- Sunset
- 18:39
- Next sunrise
- 04:46
A day hour lasts 1h 09m; a night hour, 51 min. Local time (Australia/Brisbane).
Day
- 1♂︎ Mars04:46 – 05:55
- 2☉︎ Sun05:55 – 07:05
- 3♀︎ Venus07:05 – 08:14
- 4☿︎ Mercury08:14 – 09:24
- 5☽︎ Moon09:24 – 10:33
- 6♄︎ Saturn10:33 – 11:43
- 7♃︎ Jupiter11:43 – 12:52
- 8♂︎ Mars12:52 – 14:01
- 9☉︎ Sun14:01 – 15:11
- 10♀︎ Venus15:11 – 16:20
- 11☿︎ Mercury16:20 – 17:30
- 12☽︎ Moon17:30 – 18:39
Night
- 1♄︎ Saturn18:39 – 19:30
- 2♃︎ Jupiter19:30 – 20:20
- 3♂︎ Mars20:20 – 21:11
- 4☉︎ Sun21:11 – 22:02
- 5♀︎ Venus22:02 – 22:52
- 6☿︎ Mercury22:52 – 23:43
- 7☽︎ Moon23:43 – 00:33
- 8♄︎ Saturn00:33 – 01:24
- 9♃︎ Jupiter01:24 – 02:15
- 10♂︎ Mars02:15 – 03:05
- 11☉︎ Sun03:05 – 03:56
- 12♀︎ Venus03:56 – 04:46
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Questions
How are the planetary hours calculated in Logan City?
On Tuesday, 16 December 2025, the Sun rises at 04:46 and sets at 18:39: the day lasts 13h 53m, that is twelve day hours of 1h 09m. The night, until the next sunrise at 04:46, lasts 10h 07m: twelve night hours of 51 min.
Which planet rules the first hour that day?
Mars, from 04:46 to 05:55: 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.