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 Monday, 18 May 2026: day of the Moon
- Sunrise
- 04:51
- Sunset
- 18:20
- Next sunrise
- 04:50
A day hour lasts 1h 07m; a night hour, 52 min. Local time (Asia/Riyadh).
Day
- 1☽︎ Moon04:51 – 05:58
- 2♄︎ Saturn05:58 – 07:06
- 3♃︎ Jupiter07:06 – 08:13
- 4♂︎ Mars08:13 – 09:21
- 5☉︎ Sun09:21 – 10:28
- 6♀︎ Venus10:28 – 11:36
- 7☿︎ Mercury11:36 – 12:43
- 8☽︎ Moon12:43 – 13:51
- 9♄︎ Saturn13:51 – 14:58
- 10♃︎ Jupiter14:58 – 16:06
- 11♂︎ Mars16:06 – 17:13
- 12☉︎ Sun17:13 – 18:20
Night
- 1♀︎ Venus18:20 – 19:13
- 2☿︎ Mercury19:13 – 20:05
- 3☽︎ Moon20:05 – 20:58
- 4♄︎ Saturn20:58 – 21:50
- 5♃︎ Jupiter21:50 – 22:43
- 6♂︎ Mars22:43 – 23:35
- 7☉︎ Sun23:35 – 00:28
- 8♀︎ Venus00:28 – 01:20
- 9☿︎ Mercury01:20 – 02:13
- 10☽︎ Moon02:13 – 03:05
- 11♄︎ Saturn03:05 – 03:58
- 12♃︎ Jupiter03:58 – 04:50
Other cities · Saudi Arabia
Questions
How are the planetary hours calculated in Dammam?
On Monday, 18 May 2026, the Sun rises at 04:51 and sets at 18:20: the day lasts 13h 30m, that is twelve day hours of 1h 07m. The night, until the next sunrise at 04:50, lasts 10h 30m: twelve night hours of 52 min.
Which planet rules the first hour that day?
The Moon, from 04:51 to 05:58: 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.