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 Sunday, 23 August 2026: day of the Sun
- Sunrise
- 05:53
- Sunset
- 19:13
- Next sunrise
- 05:54
A day hour lasts 1h 07m; a night hour, 53 min. Local time (Asia/Seoul).
Day
- 1☉︎ Sun05:53 – 07:00
- 2♀︎ Venus07:00 – 08:07
- 3☿︎ Mercury08:07 – 09:13
- 4☽︎ Moon09:13 – 10:20
- 5♄︎ Saturn10:20 – 11:27
- 6♃︎ Jupiter11:27 – 12:33
- 7♂︎ Mars12:33 – 13:40
- 8☉︎ Sun13:40 – 14:47
- 9♀︎ Venus14:47 – 15:53
- 10☿︎ Mercury15:53 – 17:00
- 11☽︎ Moon17:00 – 18:07
- 12♄︎ Saturn18:07 – 19:13
Night
- 1♃︎ Jupiter19:13 – 20:07
- 2♂︎ Mars20:07 – 21:00
- 3☉︎ Sun21:00 – 21:54
- 4♀︎ Venus21:54 – 22:47
- 5☿︎ Mercury22:47 – 23:40
- 6☽︎ Moon23:40 – 00:34
- 7♄︎ Saturn00:34 – 01:27
- 8♃︎ Jupiter01:27 – 02:21
- 9♂︎ Mars02:21 – 03:14
- 10☉︎ Sun03:14 – 04:07
- 11♀︎ Venus04:07 – 05:01
- 12☿︎ Mercury05:01 – 05:54
Other cities · South Korea
Questions
How are the planetary hours calculated in Seongnam-si?
On Sunday, 23 August 2026, the Sun rises at 05:53 and sets at 19:13: the day lasts 13h 20m, that is twelve day hours of 1h 07m. The night, until the next sunrise at 05:54, lasts 10h 41m: twelve night hours of 53 min.
Which planet rules the first hour that day?
The Sun, from 05:53 to 07:00: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Venus, Mercury, the Moon, Saturn, Jupiter, Mars, then the Sun 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.