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 Sunday, 18 October 2026: day of the Sun
- Sunrise
- 07:39
- Sunset
- 18:10
- Next sunrise
- 07:41
A day hour lasts 53 min; a night hour, 1h 08m. Local time (Europe/London).
Day
- 1☉︎ Sun07:39 – 08:31
- 2♀︎ Venus08:31 – 09:24
- 3☿︎ Mercury09:24 – 10:17
- 4☽︎ Moon10:17 – 11:09
- 5♄︎ Saturn11:09 – 12:02
- 6♃︎ Jupiter12:02 – 12:55
- 7♂︎ Mars12:55 – 13:47
- 8☉︎ Sun13:47 – 14:40
- 9♀︎ Venus14:40 – 15:33
- 10☿︎ Mercury15:33 – 16:25
- 11☽︎ Moon16:25 – 17:18
- 12♄︎ Saturn17:18 – 18:10
Night
- 1♃︎ Jupiter18:10 – 19:18
- 2♂︎ Mars19:18 – 20:25
- 3☉︎ Sun20:25 – 21:33
- 4♀︎ Venus21:33 – 22:40
- 5☿︎ Mercury22:40 – 23:48
- 6☽︎ Moon23:48 – 00:55
- 7♄︎ Saturn00:55 – 02:03
- 8♃︎ Jupiter02:03 – 03:10
- 9♂︎ Mars03:10 – 04:18
- 10☉︎ Sun04:18 – 05:25
- 11♀︎ Venus05:25 – 06:33
- 12☿︎ Mercury06:33 – 07:41
Other cities · United Kingdom
Questions
How are the planetary hours calculated in Bristol?
On Sunday, 18 October 2026, the Sun rises at 07:39 and sets at 18:10: the day lasts 10h 32m, that is twelve day hours of 53 min. The night, until the next sunrise at 07:41, lasts 13h 30m: twelve night hours of 1h 08m.
Which planet rules the first hour that day?
The Sun, from 07:39 to 08:31: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Venus, Mercury, the Moon, Saturn, Jupiter, Mars, then the Sun 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.