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 Thursday, 20 August 2026: day of Jupiter
- Sunrise
- 06:02
- Sunset
- 18:51
- Next sunrise
- 06:03
A day hour lasts 1h 04m; a night hour, 56 min. Local time (Asia/Hong_Kong).
Day
- 1♃︎ Jupiter06:02 – 07:07
- 2♂︎ Mars07:07 – 08:11
- 3☉︎ Sun08:11 – 09:15
- 4♀︎ Venus09:15 – 10:19
- 5☿︎ Mercury10:19 – 11:23
- 6☽︎ Moon11:23 – 12:27
- 7♄︎ Saturn12:27 – 13:31
- 8♃︎ Jupiter13:31 – 14:35
- 9♂︎ Mars14:35 – 15:39
- 10☉︎ Sun15:39 – 16:43
- 11♀︎ Venus16:43 – 17:47
- 12☿︎ Mercury17:47 – 18:51
Night
- 1☽︎ Moon18:51 – 19:47
- 2♄︎ Saturn19:47 – 20:43
- 3♃︎ Jupiter20:43 – 21:39
- 4♂︎ Mars21:39 – 22:35
- 5☉︎ Sun22:35 – 23:31
- 6♀︎ Venus23:31 – 00:27
- 7☿︎ Mercury00:27 – 01:23
- 8☽︎ Moon01:23 – 02:19
- 9♄︎ Saturn02:19 – 03:15
- 10♃︎ Jupiter03:15 – 04:11
- 11♂︎ Mars04:11 – 05:07
- 12☉︎ Sun05:07 – 06:03
Other cities · Hong Kong
Questions
How are the planetary hours calculated in Tuen Mun?
On Thursday, 20 August 2026, the Sun rises at 06:02 and sets at 18:51: the day lasts 12h 49m, that is twelve day hours of 1h 04m. The night, until the next sunrise at 06:03, lasts 11h 11m: twelve night hours of 56 min.
Which planet rules the first hour that day?
Jupiter, from 06:02 to 07:07: 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.