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 Monday, 18 January 2027: day of the Moon
- Sunrise
- 07:13
- Sunset
- 19:16
- Next sunrise
- 07:14
A day hour lasts 1h 00m; a night hour, 1h 00m. Local time (Asia/Singapore).
Day
- 1☽︎ Moon07:13 – 08:14
- 2♄︎ Saturn08:14 – 09:14
- 3♃︎ Jupiter09:14 – 10:14
- 4♂︎ Mars10:14 – 11:14
- 5☉︎ Sun11:14 – 12:15
- 6♀︎ Venus12:15 – 13:15
- 7☿︎ Mercury13:15 – 14:15
- 8☽︎ Moon14:15 – 15:15
- 9♄︎ Saturn15:15 – 16:16
- 10♃︎ Jupiter16:16 – 17:16
- 11♂︎ Mars17:16 – 18:16
- 12☉︎ Sun18:16 – 19:16
Night
- 1♀︎ Venus19:16 – 20:16
- 2☿︎ Mercury20:16 – 21:16
- 3☽︎ Moon21:16 – 22:16
- 4♄︎ Saturn22:16 – 23:15
- 5♃︎ Jupiter23:15 – 00:15
- 6♂︎ Mars00:15 – 01:15
- 7☉︎ Sun01:15 – 02:15
- 8♀︎ Venus02:15 – 03:15
- 9☿︎ Mercury03:15 – 04:14
- 10☽︎ Moon04:14 – 05:14
- 11♄︎ Saturn05:14 – 06:14
- 12♃︎ Jupiter06:14 – 07:14
Other cities · Singapore
Questions
How are the planetary hours calculated in Jurong West?
On Monday, 18 January 2027, the Sun rises at 07:13 and sets at 19:16: the day lasts 12h 03m, that is twelve day hours of 1h 00m. The night, until the next sunrise at 07:14, lasts 11h 57m: twelve night hours of 1h 00m.
Which planet rules the first hour that day?
The Moon, from 07:13 to 08:14: 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.