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 Friday, 8 May 2026: day of Venus
- Sunrise
- 04:40
- Sunset
- 20:08
- Next sunrise
- 04:39
A day hour lasts 1h 17m; a night hour, 43 min. Local time (Europe/Warsaw).
Day
- 1♀︎ Venus04:40 – 05:58
- 2☿︎ Mercury05:58 – 07:15
- 3☽︎ Moon07:15 – 08:32
- 4♄︎ Saturn08:32 – 09:49
- 5♃︎ Jupiter09:49 – 11:07
- 6♂︎ Mars11:07 – 12:24
- 7☉︎ Sun12:24 – 13:41
- 8♀︎ Venus13:41 – 14:58
- 9☿︎ Mercury14:58 – 16:16
- 10☽︎ Moon16:16 – 17:33
- 11♄︎ Saturn17:33 – 18:50
- 12♃︎ Jupiter18:50 – 20:08
Night
- 1♂︎ Mars20:08 – 20:50
- 2☉︎ Sun20:50 – 21:33
- 3♀︎ Venus21:33 – 22:15
- 4☿︎ Mercury22:15 – 22:58
- 5☽︎ Moon22:58 – 23:40
- 6♄︎ Saturn23:40 – 00:23
- 7♃︎ Jupiter00:23 – 01:06
- 8♂︎ Mars01:06 – 01:48
- 9☉︎ Sun01:48 – 02:31
- 10♀︎ Venus02:31 – 03:13
- 11☿︎ Mercury03:13 – 03:56
- 12☽︎ Moon03:56 – 04:39
Other cities · Poland
Questions
How are the planetary hours calculated in Białystok?
On Friday, 8 May 2026, the Sun rises at 04:40 and sets at 20:08: the day lasts 15h 27m, that is twelve day hours of 1h 17m. The night, until the next sunrise at 04:39, lasts 8h 31m: twelve night hours of 43 min.
Which planet rules the first hour that day?
Venus, from 04:40 to 05:58: 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.