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, 15 December 2026: day of Mars
- Sunrise
- 08:03
- Sunset
- 16:37
- Next sunrise
- 08:04
A day hour lasts 43 min; a night hour, 1h 17m. Local time (Europe/Bucharest).
Day
- 1♂︎ Mars08:03 – 08:46
- 2☉︎ Sun08:46 – 09:29
- 3♀︎ Venus09:29 – 10:12
- 4☿︎ Mercury10:12 – 10:54
- 5☽︎ Moon10:54 – 11:37
- 6♄︎ Saturn11:37 – 12:20
- 7♃︎ Jupiter12:20 – 13:03
- 8♂︎ Mars13:03 – 13:46
- 9☉︎ Sun13:46 – 14:29
- 10♀︎ Venus14:29 – 15:12
- 11☿︎ Mercury15:12 – 15:54
- 12☽︎ Moon15:54 – 16:37
Night
- 1♄︎ Saturn16:37 – 17:54
- 2♃︎ Jupiter17:54 – 19:12
- 3♂︎ Mars19:12 – 20:29
- 4☉︎ Sun20:29 – 21:46
- 5♀︎ Venus21:46 – 23:03
- 6☿︎ Mercury23:03 – 00:21
- 7☽︎ Moon00:21 – 01:38
- 8♄︎ Saturn01:38 – 02:55
- 9♃︎ Jupiter02:55 – 04:12
- 10♂︎ Mars04:12 – 05:29
- 11☉︎ Sun05:29 – 06:47
- 12♀︎ Venus06:47 – 08:04
Other cities · Romania
Questions
How are the planetary hours calculated in Cluj-Napoca?
On Tuesday, 15 December 2026, the Sun rises at 08:03 and sets at 16:37: the day lasts 8h 34m, that is twelve day hours of 43 min. The night, until the next sunrise at 08:04, lasts 15h 27m: twelve night hours of 1h 17m.
Which planet rules the first hour that day?
Mars, from 08:03 to 08:46: 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.