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, 20 December 2026: day of the Sun
- 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☉︎ Sun08:06 – 08:49
- 2♀︎ Venus08:49 – 09:32
- 3☿︎ Mercury09:32 – 10:15
- 4☽︎ Moon10:15 – 10:57
- 5♄︎ Saturn10:57 – 11:40
- 6♃︎ Jupiter11:40 – 12:23
- 7♂︎ Mars12:23 – 13:05
- 8☉︎ Sun13:05 – 13:48
- 9♀︎ Venus13:48 – 14:31
- 10☿︎ Mercury14:31 – 15:13
- 11☽︎ Moon15:13 – 15:56
- 12♄︎ Saturn15:56 – 16:39
Night
- 1♃︎ Jupiter16:39 – 17:56
- 2♂︎ Mars17:56 – 19:14
- 3☉︎ Sun19:14 – 20:31
- 4♀︎ Venus20:31 – 21:48
- 5☿︎ Mercury21:48 – 23:06
- 6☽︎ Moon23:06 – 00:23
- 7♄︎ Saturn00:23 – 01:40
- 8♃︎ Jupiter01:40 – 02:58
- 9♂︎ Mars02:58 – 04:15
- 10☉︎ Sun04:15 – 05:32
- 11♀︎ Venus05:32 – 06:50
- 12☿︎ Mercury06:50 – 08:07
Other cities · Romania
Questions
How are the planetary hours calculated in Cluj-Napoca?
On Sunday, 20 December 2026, the Sun rises at 08:06 and sets at 16:39: the day lasts 8h 32m, 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?
The Sun, 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: 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.