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 Saturday, 1 August 2026: day of Saturn
- Sunrise
- 05:34
- Sunset
- 20:58
- Next sunrise
- 05:35
A day hour lasts 1h 17m; a night hour, 43 min. Local time (Europe/London).
Day
- 1♄︎ Saturn05:34 – 06:51
- 2♃︎ Jupiter06:51 – 08:08
- 3♂︎ Mars08:08 – 09:25
- 4☉︎ Sun09:25 – 10:42
- 5♀︎ Venus10:42 – 11:59
- 6☿︎ Mercury11:59 – 13:16
- 7☽︎ Moon13:16 – 14:33
- 8♄︎ Saturn14:33 – 15:50
- 9♃︎ Jupiter15:50 – 17:07
- 10♂︎ Mars17:07 – 18:24
- 11☉︎ Sun18:24 – 19:41
- 12♀︎ Venus19:41 – 20:58
Night
- 1☿︎ Mercury20:58 – 21:41
- 2☽︎ Moon21:41 – 22:24
- 3♄︎ Saturn22:24 – 23:07
- 4♃︎ Jupiter23:07 – 23:50
- 5♂︎ Mars23:50 – 00:33
- 6☉︎ Sun00:33 – 01:17
- 7♀︎ Venus01:17 – 02:00
- 8☿︎ Mercury02:00 – 02:43
- 9☽︎ Moon02:43 – 03:26
- 10♄︎ Saturn03:26 – 04:09
- 11♃︎ Jupiter04:09 – 04:52
- 12♂︎ Mars04:52 – 05:35
Other cities · United Kingdom
Questions
How are the planetary hours calculated in Bristol?
On Saturday, 1 August 2026, the Sun rises at 05:34 and sets at 20:58: the day lasts 15h 24m, that is twelve day hours of 1h 17m. The night, until the next sunrise at 05:35, lasts 8h 37m: twelve night hours of 43 min.
Which planet rules the first hour that day?
Saturn, from 05:34 to 06:51: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Jupiter, Mars, the Sun, Venus, Mercury, the Moon, then Saturn 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.