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 Tuesday, 8 September 2026: day of Mars
- Sunrise
- 06:34
- Sunset
- 19:41
- Next sunrise
- 06:35
A day hour lasts 1h 06m; a night hour, 55 min. Local time (Europe/London).
Day
- 1♂︎ Mars06:34 – 07:39
- 2☉︎ Sun07:39 – 08:45
- 3♀︎ Venus08:45 – 09:50
- 4☿︎ Mercury09:50 – 10:56
- 5☽︎ Moon10:56 – 12:01
- 6♄︎ Saturn12:01 – 13:07
- 7♃︎ Jupiter13:07 – 14:13
- 8♂︎ Mars14:13 – 15:18
- 9☉︎ Sun15:18 – 16:24
- 10♀︎ Venus16:24 – 17:29
- 11☿︎ Mercury17:29 – 18:35
- 12☽︎ Moon18:35 – 19:41
Night
- 1♄︎ Saturn19:41 – 20:35
- 2♃︎ Jupiter20:35 – 21:30
- 3♂︎ Mars21:30 – 22:24
- 4☉︎ Sun22:24 – 23:19
- 5♀︎ Venus23:19 – 00:13
- 6☿︎ Mercury00:13 – 01:08
- 7☽︎ Moon01:08 – 02:02
- 8♄︎ Saturn02:02 – 02:57
- 9♃︎ Jupiter02:57 – 03:51
- 10♂︎ Mars03:51 – 04:46
- 11☉︎ Sun04:46 – 05:41
- 12♀︎ Venus05:41 – 06:35
Other cities · United Kingdom
Questions
How are the planetary hours calculated in Bristol?
On Tuesday, 8 September 2026, the Sun rises at 06:34 and sets at 19:41: the day lasts 13h 07m, that is twelve day hours of 1h 06m. The night, until the next sunrise at 06:35, lasts 10h 55m: twelve night hours of 55 min.
Which planet rules the first hour that day?
Mars, from 06:34 to 07:39: 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.