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 Friday, 22 May 2026: day of Venus
- Sunrise
- 04:54
- Sunset
- 19:07
- Next sunrise
- 04:54
A day hour lasts 1h 11m; a night hour, 49 min. Local time (Asia/Tehran).
Day
- 1♀︎ Venus04:54 – 06:05
- 2☿︎ Mercury06:05 – 07:16
- 3☽︎ Moon07:16 – 08:27
- 4♄︎ Saturn08:27 – 09:39
- 5♃︎ Jupiter09:39 – 10:50
- 6♂︎ Mars10:50 – 12:01
- 7☉︎ Sun12:01 – 13:12
- 8♀︎ Venus13:12 – 14:23
- 9☿︎ Mercury14:23 – 15:34
- 10☽︎ Moon15:34 – 16:45
- 11♄︎ Saturn16:45 – 17:56
- 12♃︎ Jupiter17:56 – 19:07
Night
- 1♂︎ Mars19:07 – 19:56
- 2☉︎ Sun19:56 – 20:45
- 3♀︎ Venus20:45 – 21:34
- 4☿︎ Mercury21:34 – 22:23
- 5☽︎ Moon22:23 – 23:12
- 6♄︎ Saturn23:12 – 00:00
- 7♃︎ Jupiter00:00 – 00:49
- 8♂︎ Mars00:49 – 01:38
- 9☉︎ Sun01:38 – 02:27
- 10♀︎ Venus02:27 – 03:16
- 11☿︎ Mercury03:16 – 04:05
- 12☽︎ Moon04:05 – 04:54
Questions
How are the planetary hours calculated in Tehran?
On Friday, 22 May 2026, the Sun rises at 04:54 and sets at 19:07: the day lasts 14h 13m, that is twelve day hours of 1h 11m. The night, until the next sunrise at 04:54, lasts 9h 46m: twelve night hours of 49 min.
Which planet rules the first hour that day?
Venus, from 04:54 to 06:05: 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.