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 Friday, 21 August 2026: day of Venus
- Sunrise
- 06:30
- Sunset
- 20:25
- Next sunrise
- 06:32
A day hour lasts 1h 10m; a night hour, 51 min. Local time (Europe/Bucharest).
Day
- 1♀︎ Venus06:30 – 07:40
- 2☿︎ Mercury07:40 – 08:50
- 3☽︎ Moon08:50 – 09:59
- 4♄︎ Saturn09:59 – 11:09
- 5♃︎ Jupiter11:09 – 12:18
- 6♂︎ Mars12:18 – 13:28
- 7☉︎ Sun13:28 – 14:37
- 8♀︎ Venus14:37 – 15:47
- 9☿︎ Mercury15:47 – 16:57
- 10☽︎ Moon16:57 – 18:06
- 11♄︎ Saturn18:06 – 19:16
- 12♃︎ Jupiter19:16 – 20:25
Night
- 1♂︎ Mars20:25 – 21:16
- 2☉︎ Sun21:16 – 22:06
- 3♀︎ Venus22:06 – 22:57
- 4☿︎ Mercury22:57 – 23:47
- 5☽︎ Moon23:47 – 00:38
- 6♄︎ Saturn00:38 – 01:28
- 7♃︎ Jupiter01:28 – 02:19
- 8♂︎ Mars02:19 – 03:10
- 9☉︎ Sun03:10 – 04:00
- 10♀︎ Venus04:00 – 04:51
- 11☿︎ Mercury04:51 – 05:41
- 12☽︎ Moon05:41 – 06:32
Other cities · Romania
Questions
How are the planetary hours calculated in Cluj-Napoca?
On Friday, 21 August 2026, the Sun rises at 06:30 and sets at 20:25: the day lasts 13h 55m, that is twelve day hours of 1h 10m. The night, until the next sunrise at 06:32, lasts 10h 06m: twelve night hours of 51 min.
Which planet rules the first hour that day?
Venus, from 06:30 to 07:40: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mercury, the Moon, Saturn, Jupiter, Mars, the Sun, then Venus 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.