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, 2 August 2026: day of the Sun
- Sunrise
- 04:45
- Sunset
- 20:20
- Next sunrise
- 04:47
A day hour lasts 1h 18m; a night hour, 42 min. Local time (Europe/Warsaw).
Day
- 1☉︎ Sun04:45 – 06:03
- 2♀︎ Venus06:03 – 07:21
- 3☿︎ Mercury07:21 – 08:39
- 4☽︎ Moon08:39 – 09:57
- 5♄︎ Saturn09:57 – 11:15
- 6♃︎ Jupiter11:15 – 12:33
- 7♂︎ Mars12:33 – 13:50
- 8☉︎ Sun13:50 – 15:08
- 9♀︎ Venus15:08 – 16:26
- 10☿︎ Mercury16:26 – 17:44
- 11☽︎ Moon17:44 – 19:02
- 12♄︎ Saturn19:02 – 20:20
Night
- 1♃︎ Jupiter20:20 – 21:02
- 2♂︎ Mars21:02 – 21:44
- 3☉︎ Sun21:44 – 22:27
- 4♀︎ Venus22:27 – 23:09
- 5☿︎ Mercury23:09 – 23:51
- 6☽︎ Moon23:51 – 00:33
- 7♄︎ Saturn00:33 – 01:16
- 8♃︎ Jupiter01:16 – 01:58
- 9♂︎ Mars01:58 – 02:40
- 10☉︎ Sun02:40 – 03:23
- 11♀︎ Venus03:23 – 04:05
- 12☿︎ Mercury04:05 – 04:47
Other cities · Poland
Questions
How are the planetary hours calculated in Białystok?
On Sunday, 2 August 2026, the Sun rises at 04:45 and sets at 20:20: the day lasts 15h 34m, that is twelve day hours of 1h 18m. The night, until the next sunrise at 04:47, lasts 8h 27m: twelve night hours of 42 min.
Which planet rules the first hour that day?
The Sun, from 04:45 to 06:03: 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.