Planetary hours
in Ulu Bedok.
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, 18 December 2026: day of Venus
- Sunrise
- 06:59
- Sunset
- 19:02
- Next sunrise
- 06:59
A day hour lasts 1h 00m; a night hour, 1h 00m. Local time (Asia/Singapore).
Day
- 1♀︎ Venus06:59 – 07:59
- 2☿︎ Mercury07:59 – 08:59
- 3☽︎ Moon08:59 – 09:59
- 4♄︎ Saturn09:59 – 11:00
- 5♃︎ Jupiter11:00 – 12:00
- 6♂︎ Mars12:00 – 13:00
- 7☉︎ Sun13:00 – 14:00
- 8♀︎ Venus14:00 – 15:01
- 9☿︎ Mercury15:01 – 16:01
- 10☽︎ Moon16:01 – 17:01
- 11♄︎ Saturn17:01 – 18:01
- 12♃︎ Jupiter18:01 – 19:02
Night
- 1♂︎ Mars19:02 – 20:01
- 2☉︎ Sun20:01 – 21:01
- 3♀︎ Venus21:01 – 22:01
- 4☿︎ Mercury22:01 – 23:01
- 5☽︎ Moon23:01 – 00:01
- 6♄︎ Saturn00:01 – 01:00
- 7♃︎ Jupiter01:00 – 02:00
- 8♂︎ Mars02:00 – 03:00
- 9☉︎ Sun03:00 – 04:00
- 10♀︎ Venus04:00 – 05:00
- 11☿︎ Mercury05:00 – 05:59
- 12☽︎ Moon05:59 – 06:59
Other cities · Singapore
Questions
How are the planetary hours calculated in Ulu Bedok?
On Friday, 18 December 2026, the Sun rises at 06:59 and sets at 19:02: the day lasts 12h 03m, that is twelve day hours of 1h 00m. The night, until the next sunrise at 06:59, lasts 11h 58m: twelve night hours of 1h 00m.
Which planet rules the first hour that day?
Venus, from 06:59 to 07:59: 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.