Planetary hours
in Bristol.
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 Monday, 11 August 2025: day of the Moon
- Sunrise
- 05:49
- Sunset
- 20:40
- Next sunrise
- 05:51
A day hour lasts 1h 14m; a night hour, 46 min. Local time (Europe/London).
Day
- 1☽︎ Moon05:49 – 07:04
- 2♄︎ Saturn07:04 – 08:18
- 3♃︎ Jupiter08:18 – 09:32
- 4♂︎ Mars09:32 – 10:46
- 5☉︎ Sun10:46 – 12:00
- 6♀︎ Venus12:00 – 13:15
- 7☿︎ Mercury13:15 – 14:29
- 8☽︎ Moon14:29 – 15:43
- 9♄︎ Saturn15:43 – 16:57
- 10♃︎ Jupiter16:57 – 18:11
- 11♂︎ Mars18:11 – 19:25
- 12☉︎ Sun19:25 – 20:40
Night
- 1♀︎ Venus20:40 – 21:26
- 2☿︎ Mercury21:26 – 22:12
- 3☽︎ Moon22:12 – 22:57
- 4♄︎ Saturn22:57 – 23:43
- 5♃︎ Jupiter23:43 – 00:29
- 6♂︎ Mars00:29 – 01:15
- 7☉︎ Sun01:15 – 02:01
- 8♀︎ Venus02:01 – 02:47
- 9☿︎ Mercury02:47 – 03:33
- 10☽︎ Moon03:33 – 04:19
- 11♄︎ Saturn04:19 – 05:05
- 12♃︎ Jupiter05:05 – 05:51
Other cities · United Kingdom
Questions
How are the planetary hours calculated in Bristol?
On Monday, 11 August 2025, the Sun rises at 05:49 and sets at 20:40: the day lasts 14h 50m, that is twelve day hours of 1h 14m. The night, until the next sunrise at 05:51, lasts 9h 11m: twelve night hours of 46 min.
Which planet rules the first hour that day?
The Moon, from 05:49 to 07:04: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Saturn, Jupiter, Mars, the Sun, Venus, Mercury, then the Moon 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.