Planetary hours
in Tuen Mun.
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 Wednesday, 20 May 2026: day of Mercury
- Sunrise
- 05:42
- Sunset
- 18:59
- Next sunrise
- 05:42
A day hour lasts 1h 06m; a night hour, 54 min. Local time (Asia/Hong_Kong).
Day
- 1☿︎ Mercury05:42 – 06:48
- 2☽︎ Moon06:48 – 07:55
- 3♄︎ Saturn07:55 – 09:01
- 4♃︎ Jupiter09:01 – 10:07
- 5♂︎ Mars10:07 – 11:14
- 6☉︎ Sun11:14 – 12:20
- 7♀︎ Venus12:20 – 13:27
- 8☿︎ Mercury13:27 – 14:33
- 9☽︎ Moon14:33 – 15:39
- 10♄︎ Saturn15:39 – 16:46
- 11♃︎ Jupiter16:46 – 17:52
- 12♂︎ Mars17:52 – 18:59
Night
- 1☉︎ Sun18:59 – 19:52
- 2♀︎ Venus19:52 – 20:46
- 3☿︎ Mercury20:46 – 21:39
- 4☽︎ Moon21:39 – 22:33
- 5♄︎ Saturn22:33 – 23:27
- 6♃︎ Jupiter23:27 – 00:20
- 7♂︎ Mars00:20 – 01:14
- 8☉︎ Sun01:14 – 02:07
- 9♀︎ Venus02:07 – 03:01
- 10☿︎ Mercury03:01 – 03:54
- 11☽︎ Moon03:54 – 04:48
- 12♄︎ Saturn04:48 – 05:42
Other cities · Hong Kong
Questions
How are the planetary hours calculated in Tuen Mun?
On Wednesday, 20 May 2026, the Sun rises at 05:42 and sets at 18:59: the day lasts 13h 17m, that is twelve day hours of 1h 06m. The night, until the next sunrise at 05:42, lasts 10h 43m: twelve night hours of 54 min.
Which planet rules the first hour that day?
Mercury, from 05:42 to 06:48: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Moon, Saturn, Jupiter, Mars, the Sun, Venus, then Mercury 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.