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 Tuesday, 4 August 2026: day of Mars
- Sunrise
- 07:05
- Sunset
- 19:15
- Next sunrise
- 07:05
A day hour lasts 1h 01m; a night hour, 59 min. Local time (Asia/Singapore).
Day
- 1♂︎ Mars07:05 – 08:06
- 2☉︎ Sun08:06 – 09:07
- 3♀︎ Venus09:07 – 10:07
- 4☿︎ Mercury10:07 – 11:08
- 5☽︎ Moon11:08 – 12:09
- 6♄︎ Saturn12:09 – 13:10
- 7♃︎ Jupiter13:10 – 14:11
- 8♂︎ Mars14:11 – 15:12
- 9☉︎ Sun15:12 – 16:12
- 10♀︎ Venus16:12 – 17:13
- 11☿︎ Mercury17:13 – 18:14
- 12☽︎ Moon18:14 – 19:15
Night
- 1♄︎ Saturn19:15 – 20:14
- 2♃︎ Jupiter20:14 – 21:13
- 3♂︎ Mars21:13 – 22:12
- 4☉︎ Sun22:12 – 23:12
- 5♀︎ Venus23:12 – 00:11
- 6☿︎ Mercury00:11 – 01:10
- 7☽︎ Moon01:10 – 02:09
- 8♄︎ Saturn02:09 – 03:08
- 9♃︎ Jupiter03:08 – 04:07
- 10♂︎ Mars04:07 – 05:06
- 11☉︎ Sun05:06 – 06:06
- 12♀︎ Venus06:06 – 07:05
Other cities · Singapore
Questions
How are the planetary hours calculated in Ulu Bedok?
On Tuesday, 4 August 2026, the Sun rises at 07:05 and sets at 19:15: the day lasts 12h 10m, that is twelve day hours of 1h 01m. The night, until the next sunrise at 07:05, lasts 11h 50m: twelve night hours of 59 min.
Which planet rules the first hour that day?
Mars, from 07:05 to 08:06: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Sun, Venus, Mercury, the Moon, Saturn, Jupiter, then Mars 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.