Planetary hours
in Seongnam-si.
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, 22 July 2026: day of Mercury
- Sunrise
- 05:27
- Sunset
- 19:48
- Next sunrise
- 05:28
A day hour lasts 1h 12m; a night hour, 48 min. Local time (Asia/Seoul).
Day
- 1☿︎ Mercury05:27 – 06:39
- 2☽︎ Moon06:39 – 07:50
- 3♄︎ Saturn07:50 – 09:02
- 4♃︎ Jupiter09:02 – 10:14
- 5♂︎ Mars10:14 – 11:25
- 6☉︎ Sun11:25 – 12:37
- 7♀︎ Venus12:37 – 13:49
- 8☿︎ Mercury13:49 – 15:01
- 9☽︎ Moon15:01 – 16:12
- 10♄︎ Saturn16:12 – 17:24
- 11♃︎ Jupiter17:24 – 18:36
- 12♂︎ Mars18:36 – 19:48
Night
- 1☉︎ Sun19:48 – 20:36
- 2♀︎ Venus20:36 – 21:24
- 3☿︎ Mercury21:24 – 22:13
- 4☽︎ Moon22:13 – 23:01
- 5♄︎ Saturn23:01 – 23:49
- 6♃︎ Jupiter23:49 – 00:38
- 7♂︎ Mars00:38 – 01:26
- 8☉︎ Sun01:26 – 02:14
- 9♀︎ Venus02:14 – 03:03
- 10☿︎ Mercury03:03 – 03:51
- 11☽︎ Moon03:51 – 04:39
- 12♄︎ Saturn04:39 – 05:28
Other cities · South Korea
Questions
How are the planetary hours calculated in Seongnam-si?
On Wednesday, 22 July 2026, the Sun rises at 05:27 and sets at 19:48: the day lasts 14h 21m, that is twelve day hours of 1h 12m. The night, until the next sunrise at 05:28, lasts 9h 40m: twelve night hours of 48 min.
Which planet rules the first hour that day?
Mercury, from 05:27 to 06:39: 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.