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 Sunday, 7 December 2025: day of the Sun
- Sunrise
- 07:56
- Sunset
- 16:37
- Next sunrise
- 07:57
A day hour lasts 43 min; a night hour, 1h 17m. Local time (Europe/Bucharest).
Day
- 1☉︎ Sun07:56 – 08:39
- 2♀︎ Venus08:39 – 09:23
- 3☿︎ Mercury09:23 – 10:06
- 4☽︎ Moon10:06 – 10:50
- 5♄︎ Saturn10:50 – 11:33
- 6♃︎ Jupiter11:33 – 12:17
- 7♂︎ Mars12:17 – 13:00
- 8☉︎ Sun13:00 – 13:43
- 9♀︎ Venus13:43 – 14:27
- 10☿︎ Mercury14:27 – 15:10
- 11☽︎ Moon15:10 – 15:54
- 12♄︎ Saturn15:54 – 16:37
Night
- 1♃︎ Jupiter16:37 – 17:54
- 2♂︎ Mars17:54 – 19:10
- 3☉︎ Sun19:10 – 20:27
- 4♀︎ Venus20:27 – 21:44
- 5☿︎ Mercury21:44 – 23:00
- 6☽︎ Moon23:00 – 00:17
- 7♄︎ Saturn00:17 – 01:34
- 8♃︎ Jupiter01:34 – 02:50
- 9♂︎ Mars02:50 – 04:07
- 10☉︎ Sun04:07 – 05:24
- 11♀︎ Venus05:24 – 06:40
- 12☿︎ Mercury06:40 – 07:57
Other cities · Romania
Questions
How are the planetary hours calculated in Cluj-Napoca?
On Sunday, 7 December 2025, the Sun rises at 07:56 and sets at 16:37: the day lasts 8h 41m, that is twelve day hours of 43 min. The night, until the next sunrise at 07:57, lasts 15h 20m: twelve night hours of 1h 17m.
Which planet rules the first hour that day?
The Sun, from 07:56 to 08:39: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Venus, Mercury, the Moon, Saturn, Jupiter, Mars, then the Sun 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.