Planetary hours
in Jurong West.
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, 10 January 2027: day of the Sun
- Sunrise
- 07:10
- Sunset
- 19:13
- Next sunrise
- 07:11
A day hour lasts 1h 00m; a night hour, 1h 00m. Local time (Asia/Singapore).
Day
- 1☉︎ Sun07:10 – 08:11
- 2♀︎ Venus08:11 – 09:11
- 3☿︎ Mercury09:11 – 10:11
- 4☽︎ Moon10:11 – 11:11
- 5♄︎ Saturn11:11 – 12:12
- 6♃︎ Jupiter12:12 – 13:12
- 7♂︎ Mars13:12 – 14:12
- 8☉︎ Sun14:12 – 15:12
- 9♀︎ Venus15:12 – 16:13
- 10☿︎ Mercury16:13 – 17:13
- 11☽︎ Moon17:13 – 18:13
- 12♄︎ Saturn18:13 – 19:13
Night
- 1♃︎ Jupiter19:13 – 20:13
- 2♂︎ Mars20:13 – 21:13
- 3☉︎ Sun21:13 – 22:13
- 4♀︎ Venus22:13 – 23:13
- 5☿︎ Mercury23:13 – 00:12
- 6☽︎ Moon00:12 – 01:12
- 7♄︎ Saturn01:12 – 02:12
- 8♃︎ Jupiter02:12 – 03:12
- 9♂︎ Mars03:12 – 04:11
- 10☉︎ Sun04:11 – 05:11
- 11♀︎ Venus05:11 – 06:11
- 12☿︎ Mercury06:11 – 07:11
Other cities · Singapore
Questions
How are the planetary hours calculated in Jurong West?
On Sunday, 10 January 2027, the Sun rises at 07:10 and sets at 19:13: the day lasts 12h 03m, that is twelve day hours of 1h 00m. The night, until the next sunrise at 07:11, lasts 11h 57m: twelve night hours of 1h 00m.
Which planet rules the first hour that day?
The Sun, from 07:10 to 08:11: 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.