Planetary hours
in Tabriz.
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, 18 December 2026: day of Venus
- Sunrise
- 07:35
- Sunset
- 17:07
- Next sunrise
- 07:36
A day hour lasts 48 min; a night hour, 1h 12m. Local time (Asia/Tehran).
Day
- 1♀︎ Venus07:35 – 08:23
- 2☿︎ Mercury08:23 – 09:10
- 3☽︎ Moon09:10 – 09:58
- 4♄︎ Saturn09:58 – 10:46
- 5♃︎ Jupiter10:46 – 11:33
- 6♂︎ Mars11:33 – 12:21
- 7☉︎ Sun12:21 – 13:08
- 8♀︎ Venus13:08 – 13:56
- 9☿︎ Mercury13:56 – 14:44
- 10☽︎ Moon14:44 – 15:31
- 11♄︎ Saturn15:31 – 16:19
- 12♃︎ Jupiter16:19 – 17:07
Night
- 1♂︎ Mars17:07 – 18:19
- 2☉︎ Sun18:19 – 19:31
- 3♀︎ Venus19:31 – 20:44
- 4☿︎ Mercury20:44 – 21:56
- 5☽︎ Moon21:56 – 23:09
- 6♄︎ Saturn23:09 – 00:21
- 7♃︎ Jupiter00:21 – 01:34
- 8♂︎ Mars01:34 – 02:46
- 9☉︎ Sun02:46 – 03:58
- 10♀︎ Venus03:58 – 05:11
- 11☿︎ Mercury05:11 – 06:23
- 12☽︎ Moon06:23 – 07:36
Questions
How are the planetary hours calculated in Tabriz?
On Friday, 18 December 2026, the Sun rises at 07:35 and sets at 17:07: the day lasts 9h 32m, that is twelve day hours of 48 min. The night, until the next sunrise at 07:36, lasts 14h 29m: twelve night hours of 1h 12m.
Which planet rules the first hour that day?
Venus, from 07:35 to 08:23: 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.