Planetary hours
in Trieste.
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, 9 December 2026: day of Mercury
- Sunrise
- 07:33
- Sunset
- 16:20
- Next sunrise
- 07:34
A day hour lasts 44 min; a night hour, 1h 16m. Local time (Europe/Rome).
Day
- 1☿︎ Mercury07:33 – 08:17
- 2☽︎ Moon08:17 – 09:01
- 3♄︎ Saturn09:01 – 09:45
- 4♃︎ Jupiter09:45 – 10:29
- 5♂︎ Mars10:29 – 11:13
- 6☉︎ Sun11:13 – 11:57
- 7♀︎ Venus11:57 – 12:41
- 8☿︎ Mercury12:41 – 13:24
- 9☽︎ Moon13:24 – 14:08
- 10♄︎ Saturn14:08 – 14:52
- 11♃︎ Jupiter14:52 – 15:36
- 12♂︎ Mars15:36 – 16:20
Night
- 1☉︎ Sun16:20 – 17:36
- 2♀︎ Venus17:36 – 18:53
- 3☿︎ Mercury18:53 – 20:09
- 4☽︎ Moon20:09 – 21:25
- 5♄︎ Saturn21:25 – 22:41
- 6♃︎ Jupiter22:41 – 23:57
- 7♂︎ Mars23:57 – 01:13
- 8☉︎ Sun01:13 – 02:29
- 9♀︎ Venus02:29 – 03:45
- 10☿︎ Mercury03:45 – 05:02
- 11☽︎ Moon05:02 – 06:18
- 12♄︎ Saturn06:18 – 07:34
Questions
How are the planetary hours calculated in Trieste?
On Wednesday, 9 December 2026, the Sun rises at 07:33 and sets at 16:20: the day lasts 8h 47m, that is twelve day hours of 44 min. The night, until the next sunrise at 07:34, lasts 15h 13m: twelve night hours of 1h 16m.
Which planet rules the first hour that day?
Mercury, from 07:33 to 08:17: 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.