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, 5 August 2026: day of Mercury
- Sunrise
- 05:38
- Sunset
- 19:35
- Next sunrise
- 05:39
A day hour lasts 1h 10m; a night hour, 50 min. Local time (Asia/Seoul).
Day
- 1☿︎ Mercury05:38 – 06:48
- 2☽︎ Moon06:48 – 07:58
- 3♄︎ Saturn07:58 – 09:07
- 4♃︎ Jupiter09:07 – 10:17
- 5♂︎ Mars10:17 – 11:27
- 6☉︎ Sun11:27 – 12:37
- 7♀︎ Venus12:37 – 13:46
- 8☿︎ Mercury13:46 – 14:56
- 9☽︎ Moon14:56 – 16:06
- 10♄︎ Saturn16:06 – 17:16
- 11♃︎ Jupiter17:16 – 18:26
- 12♂︎ Mars18:26 – 19:35
Night
- 1☉︎ Sun19:35 – 20:26
- 2♀︎ Venus20:26 – 21:16
- 3☿︎ Mercury21:16 – 22:06
- 4☽︎ Moon22:06 – 22:57
- 5♄︎ Saturn22:57 – 23:47
- 6♃︎ Jupiter23:47 – 00:37
- 7♂︎ Mars00:37 – 01:27
- 8☉︎ Sun01:27 – 02:18
- 9♀︎ Venus02:18 – 03:08
- 10☿︎ Mercury03:08 – 03:58
- 11☽︎ Moon03:58 – 04:49
- 12♄︎ Saturn04:49 – 05:39
Other cities · South Korea
Questions
How are the planetary hours calculated in Seongnam-si?
On Wednesday, 5 August 2026, the Sun rises at 05:38 and sets at 19:35: the day lasts 13h 57m, that is twelve day hours of 1h 10m. The night, until the next sunrise at 05:39, lasts 10h 04m: twelve night hours of 50 min.
Which planet rules the first hour that day?
Mercury, from 05:38 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.