Planetary hours
in Dammam.
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, 12 December 2025: day of Venus
- Sunrise
- 06:18
- Sunset
- 16:48
- Next sunrise
- 06:18
A day hour lasts 53 min; a night hour, 1h 08m. Local time (Asia/Riyadh).
Day
- 1♀︎ Venus06:18 – 07:10
- 2☿︎ Mercury07:10 – 08:03
- 3☽︎ Moon08:03 – 08:55
- 4♄︎ Saturn08:55 – 09:48
- 5♃︎ Jupiter09:48 – 10:40
- 6♂︎ Mars10:40 – 11:33
- 7☉︎ Sun11:33 – 12:25
- 8♀︎ Venus12:25 – 13:18
- 9☿︎ Mercury13:18 – 14:10
- 10☽︎ Moon14:10 – 15:03
- 11♄︎ Saturn15:03 – 15:56
- 12♃︎ Jupiter15:56 – 16:48
Night
- 1♂︎ Mars16:48 – 17:56
- 2☉︎ Sun17:56 – 19:03
- 3♀︎ Venus19:03 – 20:11
- 4☿︎ Mercury20:11 – 21:18
- 5☽︎ Moon21:18 – 22:26
- 6♄︎ Saturn22:26 – 23:33
- 7♃︎ Jupiter23:33 – 00:41
- 8♂︎ Mars00:41 – 01:48
- 9☉︎ Sun01:48 – 02:56
- 10♀︎ Venus02:56 – 04:03
- 11☿︎ Mercury04:03 – 05:11
- 12☽︎ Moon05:11 – 06:18
Other cities · Saudi Arabia
Questions
How are the planetary hours calculated in Dammam?
On Friday, 12 December 2025, the Sun rises at 06:18 and sets at 16:48: the day lasts 10h 31m, that is twelve day hours of 53 min. The night, until the next sunrise at 06:18, lasts 13h 30m: twelve night hours of 1h 08m.
Which planet rules the first hour that day?
Venus, from 06:18 to 07:10: 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.