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, 8 December 2026: day of Mars
- Sunrise
- 07:32
- Sunset
- 17:13
- Next sunrise
- 07:33
A day hour lasts 48 min; a night hour, 1h 12m. Local time (Asia/Seoul).
Day
- 1♂︎ Mars07:32 – 08:21
- 2☉︎ Sun08:21 – 09:09
- 3♀︎ Venus09:09 – 09:58
- 4☿︎ Mercury09:58 – 10:46
- 5☽︎ Moon10:46 – 11:34
- 6♄︎ Saturn11:34 – 12:23
- 7♃︎ Jupiter12:23 – 13:11
- 8♂︎ Mars13:11 – 13:59
- 9☉︎ Sun13:59 – 14:48
- 10♀︎ Venus14:48 – 15:36
- 11☿︎ Mercury15:36 – 16:24
- 12☽︎ Moon16:24 – 17:13
Night
- 1♄︎ Saturn17:13 – 18:24
- 2♃︎ Jupiter18:24 – 19:36
- 3♂︎ Mars19:36 – 20:48
- 4☉︎ Sun20:48 – 22:00
- 5♀︎ Venus22:00 – 23:11
- 6☿︎ Mercury23:11 – 00:23
- 7☽︎ Moon00:23 – 01:35
- 8♄︎ Saturn01:35 – 02:46
- 9♃︎ Jupiter02:46 – 03:58
- 10♂︎ Mars03:58 – 05:10
- 11☉︎ Sun05:10 – 06:22
- 12♀︎ Venus06:22 – 07:33
Other cities · South Korea
Questions
How are the planetary hours calculated in Seongnam-si?
On Tuesday, 8 December 2026, the Sun rises at 07:32 and sets at 17:13: the day lasts 9h 40m, that is twelve day hours of 48 min. The night, until the next sunrise at 07:33, lasts 14h 21m: twelve night hours of 1h 12m.
Which planet rules the first hour that day?
Mars, from 07:32 to 08:21: 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.