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 Wednesday, 9 December 2026: day of Mercury
- 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☿︎ Mercury07:58 – 08:41
- 2☽︎ Moon08:41 – 09:24
- 3♄︎ Saturn09:24 – 10:08
- 4♃︎ Jupiter10:08 – 10:51
- 5♂︎ Mars10:51 – 11:34
- 6☉︎ Sun11:34 – 12:17
- 7♀︎ Venus12:17 – 13:01
- 8☿︎ Mercury13:01 – 13:44
- 9☽︎ Moon13:44 – 14:27
- 10♄︎ Saturn14:27 – 15:10
- 11♃︎ Jupiter15:10 – 15:54
- 12♂︎ Mars15:54 – 16:37
Night
- 1☉︎ Sun16:37 – 17:54
- 2♀︎ Venus17:54 – 19:10
- 3☿︎ Mercury19:10 – 20:27
- 4☽︎ Moon20:27 – 21:44
- 5♄︎ Saturn21:44 – 23:01
- 6♃︎ Jupiter23:01 – 00:18
- 7♂︎ Mars00:18 – 01:35
- 8☉︎ Sun01:35 – 02:51
- 9♀︎ Venus02:51 – 04:08
- 10☿︎ Mercury04:08 – 05:25
- 11☽︎ Moon05:25 – 06:42
- 12♄︎ Saturn06:42 – 07:59
Other cities · Romania
Questions
How are the planetary hours calculated in Cluj-Napoca?
On Wednesday, 9 December 2026, 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?
Mercury, 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 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.