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, 16 December 2026: day of Mercury
- Sunrise
- 08:04
- Sunset
- 16:37
- Next sunrise
- 08:04
A day hour lasts 43 min; a night hour, 1h 17m. Local time (Europe/Bucharest).
Day
- 1☿︎ Mercury08:04 – 08:47
- 2☽︎ Moon08:47 – 09:29
- 3♄︎ Saturn09:29 – 10:12
- 4♃︎ Jupiter10:12 – 10:55
- 5♂︎ Mars10:55 – 11:38
- 6☉︎ Sun11:38 – 12:21
- 7♀︎ Venus12:21 – 13:03
- 8☿︎ Mercury13:03 – 13:46
- 9☽︎ Moon13:46 – 14:29
- 10♄︎ Saturn14:29 – 15:12
- 11♃︎ Jupiter15:12 – 15:55
- 12♂︎ Mars15:55 – 16:37
Night
- 1☉︎ Sun16:37 – 17:55
- 2♀︎ Venus17:55 – 19:12
- 3☿︎ Mercury19:12 – 20:29
- 4☽︎ Moon20:29 – 21:46
- 5♄︎ Saturn21:46 – 23:04
- 6♃︎ Jupiter23:04 – 00:21
- 7♂︎ Mars00:21 – 01:38
- 8☉︎ Sun01:38 – 02:55
- 9♀︎ Venus02:55 – 04:13
- 10☿︎ Mercury04:13 – 05:30
- 11☽︎ Moon05:30 – 06:47
- 12♄︎ Saturn06:47 – 08:04
Other cities · Romania
Questions
How are the planetary hours calculated in Cluj-Napoca?
On Wednesday, 16 December 2026, the Sun rises at 08:04 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?
Mercury, from 08:04 to 08:47: 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.