Planetary hours
in Cluj-Napoca.
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, 19 December 2025: day of Venus
- Sunrise
- 08:06
- Sunset
- 16:39
- Next sunrise
- 08:07
A day hour lasts 43 min; a night hour, 1h 17m. Local time (Europe/Bucharest).
Day
- 1♀︎ Venus08:06 – 08:49
- 2☿︎ Mercury08:49 – 09:31
- 3☽︎ Moon09:31 – 10:14
- 4♄︎ Saturn10:14 – 10:57
- 5♃︎ Jupiter10:57 – 11:40
- 6♂︎ Mars11:40 – 12:22
- 7☉︎ Sun12:22 – 13:05
- 8♀︎ Venus13:05 – 13:48
- 9☿︎ Mercury13:48 – 14:30
- 10☽︎ Moon14:30 – 15:13
- 11♄︎ Saturn15:13 – 15:56
- 12♃︎ Jupiter15:56 – 16:39
Night
- 1♂︎ Mars16:39 – 17:56
- 2☉︎ Sun17:56 – 19:13
- 3♀︎ Venus19:13 – 20:31
- 4☿︎ Mercury20:31 – 21:48
- 5☽︎ Moon21:48 – 23:05
- 6♄︎ Saturn23:05 – 00:23
- 7♃︎ Jupiter00:23 – 01:40
- 8♂︎ Mars01:40 – 02:57
- 9☉︎ Sun02:57 – 04:15
- 10♀︎ Venus04:15 – 05:32
- 11☿︎ Mercury05:32 – 06:49
- 12☽︎ Moon06:49 – 08:07
Other cities · Romania
Questions
How are the planetary hours calculated in Cluj-Napoca?
On Friday, 19 December 2025, the Sun rises at 08:06 and sets at 16:39: the day lasts 8h 33m, that is twelve day hours of 43 min. The night, until the next sunrise at 08:07, lasts 15h 28m: twelve night hours of 1h 17m.
Which planet rules the first hour that day?
Venus, from 08:06 to 08:49: 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.