Planetary hours
in Biên Hòa.
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 Thursday, 22 October 2026: day of Jupiter
- Sunrise
- 05:42
- Sunset
- 17:31
- Next sunrise
- 05:42
A day hour lasts 59 min; a night hour, 1h 01m. Local time (Asia/Ho_Chi_Minh).
Day
- 1♃︎ Jupiter05:42 – 06:41
- 2♂︎ Mars06:41 – 07:40
- 3☉︎ Sun07:40 – 08:39
- 4♀︎ Venus08:39 – 09:38
- 5☿︎ Mercury09:38 – 10:38
- 6☽︎ Moon10:38 – 11:37
- 7♄︎ Saturn11:37 – 12:36
- 8♃︎ Jupiter12:36 – 13:35
- 9♂︎ Mars13:35 – 14:34
- 10☉︎ Sun14:34 – 15:33
- 11♀︎ Venus15:33 – 16:32
- 12☿︎ Mercury16:32 – 17:31
Night
- 1☽︎ Moon17:31 – 18:32
- 2♄︎ Saturn18:32 – 19:33
- 3♃︎ Jupiter19:33 – 20:34
- 4♂︎ Mars20:34 – 21:35
- 5☉︎ Sun21:35 – 22:36
- 6♀︎ Venus22:36 – 23:37
- 7☿︎ Mercury23:37 – 00:38
- 8☽︎ Moon00:38 – 01:38
- 9♄︎ Saturn01:38 – 02:39
- 10♃︎ Jupiter02:39 – 03:40
- 11♂︎ Mars03:40 – 04:41
- 12☉︎ Sun04:41 – 05:42
Other cities · Vietnam
Questions
How are the planetary hours calculated in Biên Hòa?
On Thursday, 22 October 2026, the Sun rises at 05:42 and sets at 17:31: the day lasts 11h 50m, that is twelve day hours of 59 min. The night, until the next sunrise at 05:42, lasts 12h 11m: twelve night hours of 1h 01m.
Which planet rules the first hour that day?
Jupiter, from 05:42 to 06:41: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mars, the Sun, Venus, Mercury, the Moon, Saturn, then Jupiter 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.