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 Tuesday, 12 January 2027: day of Mars
- Sunrise
- 08:13
- Sunset
- 16:28
- Next sunrise
- 08:13
A day hour lasts 41 min; a night hour, 1h 19m. Local time (Europe/London).
Day
- 1♂︎ Mars08:13 – 08:55
- 2☉︎ Sun08:55 – 09:36
- 3♀︎ Venus09:36 – 10:17
- 4☿︎ Mercury10:17 – 10:58
- 5☽︎ Moon10:58 – 11:39
- 6♄︎ Saturn11:39 – 12:21
- 7♃︎ Jupiter12:21 – 13:02
- 8♂︎ Mars13:02 – 13:43
- 9☉︎ Sun13:43 – 14:24
- 10♀︎ Venus14:24 – 15:05
- 11☿︎ Mercury15:05 – 15:47
- 12☽︎ Moon15:47 – 16:28
Night
- 1♄︎ Saturn16:28 – 17:47
- 2♃︎ Jupiter17:47 – 19:05
- 3♂︎ Mars19:05 – 20:24
- 4☉︎ Sun20:24 – 21:43
- 5♀︎ Venus21:43 – 23:02
- 6☿︎ Mercury23:02 – 00:20
- 7☽︎ Moon00:20 – 01:39
- 8♄︎ Saturn01:39 – 02:58
- 9♃︎ Jupiter02:58 – 04:17
- 10♂︎ Mars04:17 – 05:35
- 11☉︎ Sun05:35 – 06:54
- 12♀︎ Venus06:54 – 08:13
Other cities · United Kingdom
Questions
How are the planetary hours calculated in Cardiff?
On Tuesday, 12 January 2027, the Sun rises at 08:13 and sets at 16:28: the day lasts 8h 14m, that is twelve day hours of 41 min. The night, until the next sunrise at 08:13, lasts 15h 45m: twelve night hours of 1h 19m.
Which planet rules the first hour that day?
Mars, from 08:13 to 08:55: 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.