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, 17 January 2027: day of the Sun
- Sunrise
- 07:44
- Sunset
- 17:38
- Next sunrise
- 07:43
A day hour lasts 50 min; a night hour, 1h 10m. Local time (Asia/Seoul).
Day
- 1☉︎ Sun07:44 – 08:33
- 2♀︎ Venus08:33 – 09:23
- 3☿︎ Mercury09:23 – 10:12
- 4☽︎ Moon10:12 – 11:02
- 5♄︎ Saturn11:02 – 11:51
- 6♃︎ Jupiter11:51 – 12:41
- 7♂︎ Mars12:41 – 13:30
- 8☉︎ Sun13:30 – 14:20
- 9♀︎ Venus14:20 – 15:10
- 10☿︎ Mercury15:10 – 15:59
- 11☽︎ Moon15:59 – 16:49
- 12♄︎ Saturn16:49 – 17:38
Night
- 1♃︎ Jupiter17:38 – 18:49
- 2♂︎ Mars18:49 – 19:59
- 3☉︎ Sun19:59 – 21:09
- 4♀︎ Venus21:09 – 22:20
- 5☿︎ Mercury22:20 – 23:30
- 6☽︎ Moon23:30 – 00:41
- 7♄︎ Saturn00:41 – 01:51
- 8♃︎ Jupiter01:51 – 03:02
- 9♂︎ Mars03:02 – 04:12
- 10☉︎ Sun04:12 – 05:23
- 11♀︎ Venus05:23 – 06:33
- 12☿︎ Mercury06:33 – 07:43
Other cities · South Korea
Questions
How are the planetary hours calculated in Seongnam-si?
On Sunday, 17 January 2027, the Sun rises at 07:44 and sets at 17:38: the day lasts 9h 54m, that is twelve day hours of 50 min. The night, until the next sunrise at 07:43, lasts 14h 05m: twelve night hours of 1h 10m.
Which planet rules the first hour that day?
The Sun, from 07:44 to 08:33: 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.