Planetary hours
in Rostov-on-Don.
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
- 05:20
- Sunset
- 19:29
- Next sunrise
- 05:21
A day hour lasts 1h 11m; a night hour, 49 min. Local time (Europe/Moscow).
Day
- 1☽︎ Moon05:20 – 06:30
- 2♄︎ Saturn06:30 – 07:41
- 3♃︎ Jupiter07:41 – 08:52
- 4♂︎ Mars08:52 – 10:03
- 5☉︎ Sun10:03 – 11:14
- 6♀︎ Venus11:14 – 12:24
- 7☿︎ Mercury12:24 – 13:35
- 8☽︎ Moon13:35 – 14:46
- 9♄︎ Saturn14:46 – 15:57
- 10♃︎ Jupiter15:57 – 17:07
- 11♂︎ Mars17:07 – 18:18
- 12☉︎ Sun18:18 – 19:29
Night
- 1♀︎ Venus19:29 – 20:18
- 2☿︎ Mercury20:18 – 21:08
- 3☽︎ Moon21:08 – 21:57
- 4♄︎ Saturn21:57 – 22:46
- 5♃︎ Jupiter22:46 – 23:36
- 6♂︎ Mars23:36 – 00:25
- 7☉︎ Sun00:25 – 01:14
- 8♀︎ Venus01:14 – 02:04
- 9☿︎ Mercury02:04 – 02:53
- 10☽︎ Moon02:53 – 03:42
- 11♄︎ Saturn03:42 – 04:32
- 12♃︎ Jupiter04:32 – 05:21
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Questions
How are the planetary hours calculated in Rostov-on-Don?
On Monday, 17 August 2026, the Sun rises at 05:20 and sets at 19:29: the day lasts 14h 09m, that is twelve day hours of 1h 11m. The night, until the next sunrise at 05:21, lasts 9h 52m: twelve night hours of 49 min.
Which planet rules the first hour that day?
The Moon, from 05:20 to 06:30: 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.