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 Friday, 30 October 2026: day of Venus
- Sunrise
- 05:43
- Sunset
- 17:28
- Next sunrise
- 05:43
A day hour lasts 59 min; a night hour, 1h 01m. Local time (Asia/Ho_Chi_Minh).
Day
- 1♀︎ Venus05:43 – 06:42
- 2☿︎ Mercury06:42 – 07:41
- 3☽︎ Moon07:41 – 08:40
- 4♄︎ Saturn08:40 – 09:38
- 5♃︎ Jupiter09:38 – 10:37
- 6♂︎ Mars10:37 – 11:36
- 7☉︎ Sun11:36 – 12:35
- 8♀︎ Venus12:35 – 13:33
- 9☿︎ Mercury13:33 – 14:32
- 10☽︎ Moon14:32 – 15:31
- 11♄︎ Saturn15:31 – 16:30
- 12♃︎ Jupiter16:30 – 17:28
Night
- 1♂︎ Mars17:28 – 18:30
- 2☉︎ Sun18:30 – 19:31
- 3♀︎ Venus19:31 – 20:32
- 4☿︎ Mercury20:32 – 21:33
- 5☽︎ Moon21:33 – 22:35
- 6♄︎ Saturn22:35 – 23:36
- 7♃︎ Jupiter23:36 – 00:37
- 8♂︎ Mars00:37 – 01:38
- 9☉︎ Sun01:38 – 02:40
- 10♀︎ Venus02:40 – 03:41
- 11☿︎ Mercury03:41 – 04:42
- 12☽︎ Moon04:42 – 05:43
Other cities · Vietnam
Questions
How are the planetary hours calculated in Biên Hòa?
On Friday, 30 October 2026, the Sun rises at 05:43 and sets at 17:28: the day lasts 11h 45m, that is twelve day hours of 59 min. The night, until the next sunrise at 05:43, lasts 12h 15m: twelve night hours of 1h 01m.
Which planet rules the first hour that day?
Venus, from 05:43 to 06:42: 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.