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 Sunday, 18 October 2026: day of the Sun
- Sunrise
- 05:40
- Sunset
- 17:08
- Next sunrise
- 05:40
A day hour lasts 57 min; a night hour, 1h 03m. Local time (Asia/Riyadh).
Day
- 1☉︎ Sun05:40 – 06:37
- 2♀︎ Venus06:37 – 07:35
- 3☿︎ Mercury07:35 – 08:32
- 4☽︎ Moon08:32 – 09:29
- 5♄︎ Saturn09:29 – 10:27
- 6♃︎ Jupiter10:27 – 11:24
- 7♂︎ Mars11:24 – 12:21
- 8☉︎ Sun12:21 – 13:19
- 9♀︎ Venus13:19 – 14:16
- 10☿︎ Mercury14:16 – 15:14
- 11☽︎ Moon15:14 – 16:11
- 12♄︎ Saturn16:11 – 17:08
Night
- 1♃︎ Jupiter17:08 – 18:11
- 2♂︎ Mars18:11 – 19:14
- 3☉︎ Sun19:14 – 20:16
- 4♀︎ Venus20:16 – 21:19
- 5☿︎ Mercury21:19 – 22:22
- 6☽︎ Moon22:22 – 23:24
- 7♄︎ Saturn23:24 – 00:27
- 8♃︎ Jupiter00:27 – 01:30
- 9♂︎ Mars01:30 – 02:32
- 10☉︎ Sun02:32 – 03:35
- 11♀︎ Venus03:35 – 04:38
- 12☿︎ Mercury04:38 – 05:40
Other cities · Saudi Arabia
Questions
How are the planetary hours calculated in Dammam?
On Sunday, 18 October 2026, the Sun rises at 05:40 and sets at 17:08: the day lasts 11h 29m, that is twelve day hours of 57 min. The night, until the next sunrise at 05:40, lasts 12h 32m: twelve night hours of 1h 03m.
Which planet rules the first hour that day?
The Sun, from 05:40 to 06:37: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Venus, Mercury, the Moon, Saturn, Jupiter, Mars, then the Sun 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.