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, 8 July 2025: day of Mars
- Sunrise
- 04:11
- Sunset
- 20:52
- Next sunrise
- 04:12
A day hour lasts 1h 23m; a night hour, 37 min. Local time (Europe/Warsaw).
Day
- 1♂︎ Mars04:11 – 05:34
- 2☉︎ Sun05:34 – 06:58
- 3♀︎ Venus06:58 – 08:21
- 4☿︎ Mercury08:21 – 09:45
- 5☽︎ Moon09:45 – 11:08
- 6♄︎ Saturn11:08 – 12:32
- 7♃︎ Jupiter12:32 – 13:55
- 8♂︎ Mars13:55 – 15:19
- 9☉︎ Sun15:19 – 16:42
- 10♀︎ Venus16:42 – 18:06
- 11☿︎ Mercury18:06 – 19:29
- 12☽︎ Moon19:29 – 20:52
Night
- 1♄︎ Saturn20:52 – 21:29
- 2♃︎ Jupiter21:29 – 22:06
- 3♂︎ Mars22:06 – 22:42
- 4☉︎ Sun22:42 – 23:19
- 5♀︎ Venus23:19 – 23:56
- 6☿︎ Mercury23:56 – 00:32
- 7☽︎ Moon00:32 – 01:09
- 8♄︎ Saturn01:09 – 01:45
- 9♃︎ Jupiter01:45 – 02:22
- 10♂︎ Mars02:22 – 02:59
- 11☉︎ Sun02:59 – 03:35
- 12♀︎ Venus03:35 – 04:12
Other cities · Poland
Questions
How are the planetary hours calculated in Białystok?
On Tuesday, 8 July 2025, the Sun rises at 04:11 and sets at 20:52: the day lasts 16h 42m, that is twelve day hours of 1h 23m. The night, until the next sunrise at 04:12, lasts 7h 20m: twelve night hours of 37 min.
Which planet rules the first hour that day?
Mars, from 04:11 to 05:34: 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.