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 Tuesday, 4 August 2026: day of Mars
- Sunrise
- 04:49
- Sunset
- 20:16
- Next sunrise
- 04:50
A day hour lasts 1h 17m; a night hour, 43 min. Local time (Europe/Warsaw).
Day
- 1♂︎ Mars04:49 – 06:06
- 2☉︎ Sun06:06 – 07:23
- 3♀︎ Venus07:23 – 08:41
- 4☿︎ Mercury08:41 – 09:58
- 5☽︎ Moon09:58 – 11:15
- 6♄︎ Saturn11:15 – 12:32
- 7♃︎ Jupiter12:32 – 13:50
- 8♂︎ Mars13:50 – 15:07
- 9☉︎ Sun15:07 – 16:24
- 10♀︎ Venus16:24 – 17:42
- 11☿︎ Mercury17:42 – 18:59
- 12☽︎ Moon18:59 – 20:16
Night
- 1♄︎ Saturn20:16 – 20:59
- 2♃︎ Jupiter20:59 – 21:42
- 3♂︎ Mars21:42 – 22:25
- 4☉︎ Sun22:25 – 23:08
- 5♀︎ Venus23:08 – 23:50
- 6☿︎ Mercury23:50 – 00:33
- 7☽︎ Moon00:33 – 01:16
- 8♄︎ Saturn01:16 – 01:59
- 9♃︎ Jupiter01:59 – 02:42
- 10♂︎ Mars02:42 – 03:25
- 11☉︎ Sun03:25 – 04:08
- 12♀︎ Venus04:08 – 04:50
Other cities · Poland
Questions
How are the planetary hours calculated in Białystok?
On Tuesday, 4 August 2026, the Sun rises at 04:49 and sets at 20:16: the day lasts 15h 27m, that is twelve day hours of 1h 17m. The night, until the next sunrise at 04:50, lasts 8h 34m: twelve night hours of 43 min.
Which planet rules the first hour that day?
Mars, from 04:49 to 06:06: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Sun, Venus, Mercury, the Moon, Saturn, Jupiter, then Mars 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.