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 Monday, 21 September 2026: day of the Moon
- Sunrise
- 06:17
- Sunset
- 18:30
- Next sunrise
- 06:18
A day hour lasts 1h 01m; a night hour, 59 min. Local time (Asia/Seoul).
Day
- 1☽︎ Moon06:17 – 07:19
- 2♄︎ Saturn07:19 – 08:20
- 3♃︎ Jupiter08:20 – 09:21
- 4♂︎ Mars09:21 – 10:22
- 5☉︎ Sun10:22 – 11:23
- 6♀︎ Venus11:23 – 12:24
- 7☿︎ Mercury12:24 – 13:25
- 8☽︎ Moon13:25 – 14:26
- 9♄︎ Saturn14:26 – 15:27
- 10♃︎ Jupiter15:27 – 16:28
- 11♂︎ Mars16:28 – 17:29
- 12☉︎ Sun17:29 – 18:30
Night
- 1♀︎ Venus18:30 – 19:29
- 2☿︎ Mercury19:29 – 20:28
- 3☽︎ Moon20:28 – 21:27
- 4♄︎ Saturn21:27 – 22:26
- 5♃︎ Jupiter22:26 – 23:25
- 6♂︎ Mars23:25 – 00:24
- 7☉︎ Sun00:24 – 01:23
- 8♀︎ Venus01:23 – 02:22
- 9☿︎ Mercury02:22 – 03:21
- 10☽︎ Moon03:21 – 04:20
- 11♄︎ Saturn04:20 – 05:19
- 12♃︎ Jupiter05:19 – 06:18
Other cities · South Korea
Questions
How are the planetary hours calculated in Seongnam-si?
On Monday, 21 September 2026, the Sun rises at 06:17 and sets at 18:30: the day lasts 12h 13m, that is twelve day hours of 1h 01m. The night, until the next sunrise at 06:18, lasts 11h 48m: twelve night hours of 59 min.
Which planet rules the first hour that day?
The Moon, from 06:17 to 07:19: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Saturn, Jupiter, Mars, the Sun, Venus, Mercury, then the Moon 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.