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 Sunday, 12 July 2026: day of the Sun
- Sunrise
- 04:15
- Sunset
- 20:49
- Next sunrise
- 04:16
A day hour lasts 1h 23m; a night hour, 37 min. Local time (Europe/Warsaw).
Day
- 1☉︎ Sun04:15 – 05:38
- 2♀︎ Venus05:38 – 07:01
- 3☿︎ Mercury07:01 – 08:24
- 4☽︎ Moon08:24 – 09:46
- 5♄︎ Saturn09:46 – 11:09
- 6♃︎ Jupiter11:09 – 12:32
- 7♂︎ Mars12:32 – 13:55
- 8☉︎ Sun13:55 – 15:18
- 9♀︎ Venus15:18 – 16:41
- 10☿︎ Mercury16:41 – 18:04
- 11☽︎ Moon18:04 – 19:26
- 12♄︎ Saturn19:26 – 20:49
Night
- 1♃︎ Jupiter20:49 – 21:26
- 2♂︎ Mars21:26 – 22:04
- 3☉︎ Sun22:04 – 22:41
- 4♀︎ Venus22:41 – 23:18
- 5☿︎ Mercury23:18 – 23:56
- 6☽︎ Moon23:56 – 00:33
- 7♄︎ Saturn00:33 – 01:10
- 8♃︎ Jupiter01:10 – 01:47
- 9♂︎ Mars01:47 – 02:25
- 10☉︎ Sun02:25 – 03:02
- 11♀︎ Venus03:02 – 03:39
- 12☿︎ Mercury03:39 – 04:16
Other cities · Poland
Questions
How are the planetary hours calculated in Białystok?
On Sunday, 12 July 2026, the Sun rises at 04:15 and sets at 20:49: the day lasts 16h 34m, that is twelve day hours of 1h 23m. The night, until the next sunrise at 04:16, lasts 7h 27m: twelve night hours of 37 min.
Which planet rules the first hour that day?
The Sun, from 04:15 to 05:38: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Venus, Mercury, the Moon, Saturn, Jupiter, Mars, then the Sun 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.