Planetary hours
in Białystok.
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, 13 July 2026: day of the Moon
- Sunrise
- 04:16
- Sunset
- 20:48
- Next sunrise
- 04:18
A day hour lasts 1h 23m; a night hour, 37 min. Local time (Europe/Warsaw).
Day
- 1☽︎ Moon04:16 – 05:39
- 2♄︎ Saturn05:39 – 07:02
- 3♃︎ Jupiter07:02 – 08:24
- 4♂︎ Mars08:24 – 09:47
- 5☉︎ Sun09:47 – 11:10
- 6♀︎ Venus11:10 – 12:32
- 7☿︎ Mercury12:32 – 13:55
- 8☽︎ Moon13:55 – 15:18
- 9♄︎ Saturn15:18 – 16:40
- 10♃︎ Jupiter16:40 – 18:03
- 11♂︎ Mars18:03 – 19:26
- 12☉︎ Sun19:26 – 20:48
Night
- 1♀︎ Venus20:48 – 21:26
- 2☿︎ Mercury21:26 – 22:03
- 3☽︎ Moon22:03 – 22:41
- 4♄︎ Saturn22:41 – 23:18
- 5♃︎ Jupiter23:18 – 23:55
- 6♂︎ Mars23:55 – 00:33
- 7☉︎ Sun00:33 – 01:10
- 8♀︎ Venus01:10 – 01:48
- 9☿︎ Mercury01:48 – 02:25
- 10☽︎ Moon02:25 – 03:03
- 11♄︎ Saturn03:03 – 03:40
- 12♃︎ Jupiter03:40 – 04:18
Other cities · Poland
Questions
How are the planetary hours calculated in Białystok?
On Monday, 13 July 2026, the Sun rises at 04:16 and sets at 20:48: the day lasts 16h 32m, that is twelve day hours of 1h 23m. The night, until the next sunrise at 04:18, lasts 7h 29m: twelve night hours of 37 min.
Which planet rules the first hour that day?
The Moon, from 04:16 to 05:39: 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.