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 Monday, 18 May 2026: day of the Moon
- Sunrise
- 05:47
- Sunset
- 20:57
- Next sunrise
- 05:46
A day hour lasts 1h 16m; a night hour, 44 min. Local time (Europe/Bucharest).
Day
- 1☽︎ Moon05:47 – 07:03
- 2♄︎ Saturn07:03 – 08:19
- 3♃︎ Jupiter08:19 – 09:35
- 4♂︎ Mars09:35 – 10:50
- 5☉︎ Sun10:50 – 12:06
- 6♀︎ Venus12:06 – 13:22
- 7☿︎ Mercury13:22 – 14:38
- 8☽︎ Moon14:38 – 15:53
- 9♄︎ Saturn15:53 – 17:09
- 10♃︎ Jupiter17:09 – 18:25
- 11♂︎ Mars18:25 – 19:41
- 12☉︎ Sun19:41 – 20:57
Night
- 1♀︎ Venus20:57 – 21:41
- 2☿︎ Mercury21:41 – 22:25
- 3☽︎ Moon22:25 – 23:09
- 4♄︎ Saturn23:09 – 23:53
- 5♃︎ Jupiter23:53 – 00:37
- 6♂︎ Mars00:37 – 01:21
- 7☉︎ Sun01:21 – 02:05
- 8♀︎ Venus02:05 – 02:50
- 9☿︎ Mercury02:50 – 03:34
- 10☽︎ Moon03:34 – 04:18
- 11♄︎ Saturn04:18 – 05:02
- 12♃︎ Jupiter05:02 – 05:46
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Questions
How are the planetary hours calculated in Cluj-Napoca?
On Monday, 18 May 2026, the Sun rises at 05:47 and sets at 20:57: the day lasts 15h 09m, that is twelve day hours of 1h 16m. The night, until the next sunrise at 05:46, lasts 8h 50m: twelve night hours of 44 min.
Which planet rules the first hour that day?
The Moon, from 05:47 to 07:03: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Saturn, Jupiter, Mars, the Sun, Venus, Mercury, then the Moon 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.