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 Tuesday, 9 December 2025: day of Mars
- Sunrise
- 07:58
- Sunset
- 16:37
- Next sunrise
- 07:59
A day hour lasts 43 min; a night hour, 1h 17m. Local time (Europe/Bucharest).
Day
- 1♂︎ Mars07:58 – 08:41
- 2☉︎ Sun08:41 – 09:24
- 3♀︎ Venus09:24 – 10:08
- 4☿︎ Mercury10:08 – 10:51
- 5☽︎ Moon10:51 – 11:34
- 6♄︎ Saturn11:34 – 12:17
- 7♃︎ Jupiter12:17 – 13:01
- 8♂︎ Mars13:01 – 13:44
- 9☉︎ Sun13:44 – 14:27
- 10♀︎ Venus14:27 – 15:10
- 11☿︎ Mercury15:10 – 15:54
- 12☽︎ Moon15:54 – 16:37
Night
- 1♄︎ Saturn16:37 – 17:54
- 2♃︎ Jupiter17:54 – 19:10
- 3♂︎ Mars19:10 – 20:27
- 4☉︎ Sun20:27 – 21:44
- 5♀︎ Venus21:44 – 23:01
- 6☿︎ Mercury23:01 – 00:18
- 7☽︎ Moon00:18 – 01:35
- 8♄︎ Saturn01:35 – 02:52
- 9♃︎ Jupiter02:52 – 04:08
- 10♂︎ Mars04:08 – 05:25
- 11☉︎ Sun05:25 – 06:42
- 12♀︎ Venus06:42 – 07:59
Other cities · Romania
Questions
How are the planetary hours calculated in Cluj-Napoca?
On Tuesday, 9 December 2025, the Sun rises at 07:58 and sets at 16:37: the day lasts 8h 39m, that is twelve day hours of 43 min. The night, until the next sunrise at 07:59, lasts 15h 22m: twelve night hours of 1h 17m.
Which planet rules the first hour that day?
Mars, from 07:58 to 08:41: 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.