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, 21 October 2026: day of Mercury
- Sunrise
- 06:44
- Sunset
- 17:46
- Next sunrise
- 06:45
A day hour lasts 55 min; a night hour, 1h 05m. Local time (Asia/Seoul).
Day
- 1☿︎ Mercury06:44 – 07:39
- 2☽︎ Moon07:39 – 08:35
- 3♄︎ Saturn08:35 – 09:30
- 4♃︎ Jupiter09:30 – 10:25
- 5♂︎ Mars10:25 – 11:20
- 6☉︎ Sun11:20 – 12:15
- 7♀︎ Venus12:15 – 13:11
- 8☿︎ Mercury13:11 – 14:06
- 9☽︎ Moon14:06 – 15:01
- 10♄︎ Saturn15:01 – 15:56
- 11♃︎ Jupiter15:56 – 16:51
- 12♂︎ Mars16:51 – 17:46
Night
- 1☉︎ Sun17:46 – 18:51
- 2♀︎ Venus18:51 – 19:56
- 3☿︎ Mercury19:56 – 21:01
- 4☽︎ Moon21:01 – 22:06
- 5♄︎ Saturn22:06 – 23:11
- 6♃︎ Jupiter23:11 – 00:16
- 7♂︎ Mars00:16 – 01:21
- 8☉︎ Sun01:21 – 02:26
- 9♀︎ Venus02:26 – 03:31
- 10☿︎ Mercury03:31 – 04:35
- 11☽︎ Moon04:35 – 05:40
- 12♄︎ Saturn05:40 – 06:45
Other cities · South Korea
Questions
How are the planetary hours calculated in Seongnam-si?
On Wednesday, 21 October 2026, the Sun rises at 06:44 and sets at 17:46: the day lasts 11h 02m, that is twelve day hours of 55 min. The night, until the next sunrise at 06:45, lasts 12h 59m: twelve night hours of 1h 05m.
Which planet rules the first hour that day?
Mercury, from 06:44 to 07:39: 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.