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, 4 December 2026: day of Venus
- Sunrise
- 07:52
- Sunset
- 16:38
- Next sunrise
- 07:54
A day hour lasts 44 min; a night hour, 1h 16m. Local time (Europe/Bucharest).
Day
- 1♀︎ Venus07:52 – 08:36
- 2☿︎ Mercury08:36 – 09:20
- 3☽︎ Moon09:20 – 10:04
- 4♄︎ Saturn10:04 – 10:48
- 5♃︎ Jupiter10:48 – 11:31
- 6♂︎ Mars11:31 – 12:15
- 7☉︎ Sun12:15 – 12:59
- 8♀︎ Venus12:59 – 13:43
- 9☿︎ Mercury13:43 – 14:26
- 10☽︎ Moon14:26 – 15:10
- 11♄︎ Saturn15:10 – 15:54
- 12♃︎ Jupiter15:54 – 16:38
Night
- 1♂︎ Mars16:38 – 17:54
- 2☉︎ Sun17:54 – 19:10
- 3♀︎ Venus19:10 – 20:27
- 4☿︎ Mercury20:27 – 21:43
- 5☽︎ Moon21:43 – 22:59
- 6♄︎ Saturn22:59 – 00:16
- 7♃︎ Jupiter00:16 – 01:32
- 8♂︎ Mars01:32 – 02:48
- 9☉︎ Sun02:48 – 04:05
- 10♀︎ Venus04:05 – 05:21
- 11☿︎ Mercury05:21 – 06:37
- 12☽︎ Moon06:37 – 07:54
Other cities · Romania
Questions
How are the planetary hours calculated in Cluj-Napoca?
On Friday, 4 December 2026, the Sun rises at 07:52 and sets at 16:38: the day lasts 8h 45m, that is twelve day hours of 44 min. The night, until the next sunrise at 07:54, lasts 15h 16m: twelve night hours of 1h 16m.
Which planet rules the first hour that day?
Venus, from 07:52 to 08:36: 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.