Planetary hours
in Tehran.
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, 17 August 2026: day of the Moon
- Sunrise
- 05:24
- Sunset
- 18:51
- Next sunrise
- 05:25
A day hour lasts 1h 07m; a night hour, 53 min. Local time (Asia/Tehran).
Day
- 1☽︎ Moon05:24 – 06:31
- 2♄︎ Saturn06:31 – 07:39
- 3♃︎ Jupiter07:39 – 08:46
- 4♂︎ Mars08:46 – 09:53
- 5☉︎ Sun09:53 – 11:00
- 6♀︎ Venus11:00 – 12:08
- 7☿︎ Mercury12:08 – 13:15
- 8☽︎ Moon13:15 – 14:22
- 9♄︎ Saturn14:22 – 15:29
- 10♃︎ Jupiter15:29 – 16:37
- 11♂︎ Mars16:37 – 17:44
- 12☉︎ Sun17:44 – 18:51
Night
- 1♀︎ Venus18:51 – 19:44
- 2☿︎ Mercury19:44 – 20:37
- 3☽︎ Moon20:37 – 21:30
- 4♄︎ Saturn21:30 – 22:22
- 5♃︎ Jupiter22:22 – 23:15
- 6♂︎ Mars23:15 – 00:08
- 7☉︎ Sun00:08 – 01:01
- 8♀︎ Venus01:01 – 01:54
- 9☿︎ Mercury01:54 – 02:46
- 10☽︎ Moon02:46 – 03:39
- 11♄︎ Saturn03:39 – 04:32
- 12♃︎ Jupiter04:32 – 05:25
Questions
How are the planetary hours calculated in Tehran?
On Monday, 17 August 2026, the Sun rises at 05:24 and sets at 18:51: the day lasts 13h 27m, that is twelve day hours of 1h 07m. The night, until the next sunrise at 05:25, lasts 10h 34m: twelve night hours of 53 min.
Which planet rules the first hour that day?
The Moon, from 05:24 to 06:31: 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.