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 Friday, 4 December 2026: day of Venus
- Sunrise
- 07:28
- Sunset
- 16:21
- Next sunrise
- 07:29
A day hour lasts 44 min; a night hour, 1h 16m. Local time (Europe/Rome).
Day
- 1♀︎ Venus07:28 – 08:12
- 2☿︎ Mercury08:12 – 08:57
- 3☽︎ Moon08:57 – 09:41
- 4♄︎ Saturn09:41 – 10:26
- 5♃︎ Jupiter10:26 – 11:10
- 6♂︎ Mars11:10 – 11:54
- 7☉︎ Sun11:54 – 12:39
- 8♀︎ Venus12:39 – 13:23
- 9☿︎ Mercury13:23 – 14:08
- 10☽︎ Moon14:08 – 14:52
- 11♄︎ Saturn14:52 – 15:37
- 12♃︎ Jupiter15:37 – 16:21
Night
- 1♂︎ Mars16:21 – 17:37
- 2☉︎ Sun17:37 – 18:52
- 3♀︎ Venus18:52 – 20:08
- 4☿︎ Mercury20:08 – 21:24
- 5☽︎ Moon21:24 – 22:39
- 6♄︎ Saturn22:39 – 23:55
- 7♃︎ Jupiter23:55 – 01:11
- 8♂︎ Mars01:11 – 02:26
- 9☉︎ Sun02:26 – 03:42
- 10♀︎ Venus03:42 – 04:58
- 11☿︎ Mercury04:58 – 06:13
- 12☽︎ Moon06:13 – 07:29
Questions
How are the planetary hours calculated in Trieste?
On Friday, 4 December 2026, the Sun rises at 07:28 and sets at 16:21: the day lasts 8h 53m, that is twelve day hours of 44 min. The night, until the next sunrise at 07:29, lasts 15h 08m: twelve night hours of 1h 16m.
Which planet rules the first hour that day?
Venus, from 07:28 to 08:12: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mercury, the Moon, Saturn, Jupiter, Mars, the Sun, then Venus 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.