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