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 Thursday, 20 January 2028: day of Jupiter
- Sunrise
- 08:07
- Sunset
- 16:40
- Next sunrise
- 08:06
A day hour lasts 43 min; a night hour, 1h 17m. Local time (Europe/London).
Day
- 1♃︎ Jupiter08:07 – 08:49
- 2♂︎ Mars08:49 – 09:32
- 3☉︎ Sun09:32 – 10:15
- 4♀︎ Venus10:15 – 10:58
- 5☿︎ Mercury10:58 – 11:41
- 6☽︎ Moon11:41 – 12:23
- 7♄︎ Saturn12:23 – 13:06
- 8♃︎ Jupiter13:06 – 13:49
- 9♂︎ Mars13:49 – 14:32
- 10☉︎ Sun14:32 – 15:14
- 11♀︎ Venus15:14 – 15:57
- 12☿︎ Mercury15:57 – 16:40
Night
- 1☽︎ Moon16:40 – 17:57
- 2♄︎ Saturn17:57 – 19:14
- 3♃︎ Jupiter19:14 – 20:31
- 4♂︎ Mars20:31 – 21:49
- 5☉︎ Sun21:49 – 23:06
- 6♀︎ Venus23:06 – 00:23
- 7☿︎ Mercury00:23 – 01:40
- 8☽︎ Moon01:40 – 02:57
- 9♄︎ Saturn02:57 – 04:14
- 10♃︎ Jupiter04:14 – 05:31
- 11♂︎ Mars05:31 – 06:49
- 12☉︎ Sun06:49 – 08:06
Other cities · United Kingdom
Questions
How are the planetary hours calculated in Cardiff?
On Thursday, 20 January 2028, the Sun rises at 08:07 and sets at 16:40: the day lasts 8h 33m, that is twelve day hours of 43 min. The night, until the next sunrise at 08:06, lasts 15h 26m: twelve night hours of 1h 17m.
Which planet rules the first hour that day?
Jupiter, from 08:07 to 08:49: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mars, the Sun, Venus, Mercury, the Moon, Saturn, then Jupiter 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.