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 Tuesday, 13 October 2026: day of Mars
- Sunrise
- 06:37
- Sunset
- 17:57
- Next sunrise
- 06:38
A day hour lasts 57 min; a night hour, 1h 03m. Local time (Asia/Seoul).
Day
- 1♂︎ Mars06:37 – 07:33
- 2☉︎ Sun07:33 – 08:30
- 3♀︎ Venus08:30 – 09:27
- 4☿︎ Mercury09:27 – 10:24
- 5☽︎ Moon10:24 – 11:20
- 6♄︎ Saturn11:20 – 12:17
- 7♃︎ Jupiter12:17 – 13:14
- 8♂︎ Mars13:14 – 14:10
- 9☉︎ Sun14:10 – 15:07
- 10♀︎ Venus15:07 – 16:04
- 11☿︎ Mercury16:04 – 17:01
- 12☽︎ Moon17:01 – 17:57
Night
- 1♄︎ Saturn17:57 – 19:01
- 2♃︎ Jupiter19:01 – 20:04
- 3♂︎ Mars20:04 – 21:07
- 4☉︎ Sun21:07 – 22:11
- 5♀︎ Venus22:11 – 23:14
- 6☿︎ Mercury23:14 – 00:17
- 7☽︎ Moon00:17 – 01:21
- 8♄︎ Saturn01:21 – 02:24
- 9♃︎ Jupiter02:24 – 03:28
- 10♂︎ Mars03:28 – 04:31
- 11☉︎ Sun04:31 – 05:34
- 12♀︎ Venus05:34 – 06:38
Other cities · South Korea
Questions
How are the planetary hours calculated in Seongnam-si?
On Tuesday, 13 October 2026, the Sun rises at 06:37 and sets at 17:57: the day lasts 11h 21m, that is twelve day hours of 57 min. The night, until the next sunrise at 06:38, lasts 12h 40m: twelve night hours of 1h 03m.
Which planet rules the first hour that day?
Mars, from 06:37 to 07:33: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Sun, Venus, Mercury, the Moon, Saturn, Jupiter, then Mars 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.