Planetary hours
in Cardiff.
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, 13 July 2026: day of the Moon
- Sunrise
- 05:10
- Sunset
- 21:25
- Next sunrise
- 05:12
A day hour lasts 1h 21m; a night hour, 39 min. Local time (Europe/London).
Day
- 1☽︎ Moon05:10 – 06:32
- 2♄︎ Saturn06:32 – 07:53
- 3♃︎ Jupiter07:53 – 09:14
- 4♂︎ Mars09:14 – 10:35
- 5☉︎ Sun10:35 – 11:56
- 6♀︎ Venus11:56 – 13:18
- 7☿︎ Mercury13:18 – 14:39
- 8☽︎ Moon14:39 – 16:00
- 9♄︎ Saturn16:00 – 17:21
- 10♃︎ Jupiter17:21 – 18:43
- 11♂︎ Mars18:43 – 20:04
- 12☉︎ Sun20:04 – 21:25
Night
- 1♀︎ Venus21:25 – 22:04
- 2☿︎ Mercury22:04 – 22:43
- 3☽︎ Moon22:43 – 23:22
- 4♄︎ Saturn23:22 – 00:00
- 5♃︎ Jupiter00:00 – 00:39
- 6♂︎ Mars00:39 – 01:18
- 7☉︎ Sun01:18 – 01:57
- 8♀︎ Venus01:57 – 02:36
- 9☿︎ Mercury02:36 – 03:15
- 10☽︎ Moon03:15 – 03:54
- 11♄︎ Saturn03:54 – 04:33
- 12♃︎ Jupiter04:33 – 05:12
Other cities · United Kingdom
Questions
How are the planetary hours calculated in Cardiff?
On Monday, 13 July 2026, the Sun rises at 05:10 and sets at 21:25: the day lasts 16h 14m, that is twelve day hours of 1h 21m. The night, until the next sunrise at 05:12, lasts 7h 47m: twelve night hours of 39 min.
Which planet rules the first hour that day?
The Moon, from 05:10 to 06:32: 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.