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 Friday, 22 January 2027: day of Venus
- Sunrise
- 07:14
- Sunset
- 19:18
- Next sunrise
- 07:15
A day hour lasts 1h 00m; a night hour, 1h 00m. Local time (Asia/Singapore).
Day
- 1♀︎ Venus07:14 – 08:15
- 2☿︎ Mercury08:15 – 09:15
- 3☽︎ Moon09:15 – 10:15
- 4♄︎ Saturn10:15 – 11:15
- 5♃︎ Jupiter11:15 – 12:16
- 6♂︎ Mars12:16 – 13:16
- 7☉︎ Sun13:16 – 14:16
- 8♀︎ Venus14:16 – 15:17
- 9☿︎ Mercury15:17 – 16:17
- 10☽︎ Moon16:17 – 17:17
- 11♄︎ Saturn17:17 – 18:17
- 12♃︎ Jupiter18:17 – 19:18
Night
- 1♂︎ Mars19:18 – 20:17
- 2☉︎ Sun20:17 – 21:17
- 3♀︎ Venus21:17 – 22:17
- 4☿︎ Mercury22:17 – 23:17
- 5☽︎ Moon23:17 – 00:16
- 6♄︎ Saturn00:16 – 01:16
- 7♃︎ Jupiter01:16 – 02:16
- 8♂︎ Mars02:16 – 03:16
- 9☉︎ Sun03:16 – 04:15
- 10♀︎ Venus04:15 – 05:15
- 11☿︎ Mercury05:15 – 06:15
- 12☽︎ Moon06:15 – 07:15
Other cities · Singapore
Questions
How are the planetary hours calculated in Jurong West?
On Friday, 22 January 2027, the Sun rises at 07:14 and sets at 19:18: the day lasts 12h 03m, that is twelve day hours of 1h 00m. The night, until the next sunrise at 07:15, lasts 11h 57m: twelve night hours of 1h 00m.
Which planet rules the first hour that day?
Venus, from 07:14 to 08:15: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mercury, the Moon, Saturn, Jupiter, Mars, the Sun, then Venus 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.