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 Wednesday, 5 August 2026: day of Mercury
- Sunrise
- 04:50
- Sunset
- 20:14
- Next sunrise
- 04:52
A day hour lasts 1h 17m; a night hour, 43 min. Local time (Europe/Warsaw).
Day
- 1☿︎ Mercury04:50 – 06:07
- 2☽︎ Moon06:07 – 07:24
- 3♄︎ Saturn07:24 – 08:41
- 4♃︎ Jupiter08:41 – 09:58
- 5♂︎ Mars09:58 – 11:15
- 6☉︎ Sun11:15 – 12:32
- 7♀︎ Venus12:32 – 13:49
- 8☿︎ Mercury13:49 – 15:06
- 9☽︎ Moon15:06 – 16:23
- 10♄︎ Saturn16:23 – 17:40
- 11♃︎ Jupiter17:40 – 18:57
- 12♂︎ Mars18:57 – 20:14
Night
- 1☉︎ Sun20:14 – 20:57
- 2♀︎ Venus20:57 – 21:41
- 3☿︎ Mercury21:41 – 22:24
- 4☽︎ Moon22:24 – 23:07
- 5♄︎ Saturn23:07 – 23:50
- 6♃︎ Jupiter23:50 – 00:33
- 7♂︎ Mars00:33 – 01:16
- 8☉︎ Sun01:16 – 01:59
- 9♀︎ Venus01:59 – 02:43
- 10☿︎ Mercury02:43 – 03:26
- 11☽︎ Moon03:26 – 04:09
- 12♄︎ Saturn04:09 – 04:52
Other cities · Poland
Questions
How are the planetary hours calculated in Białystok?
On Wednesday, 5 August 2026, the Sun rises at 04:50 and sets at 20:14: the day lasts 15h 24m, that is twelve day hours of 1h 17m. The night, until the next sunrise at 04:52, lasts 8h 38m: twelve night hours of 43 min.
Which planet rules the first hour that day?
Mercury, from 04:50 to 06:07: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Moon, Saturn, Jupiter, Mars, the Sun, Venus, then Mercury 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.