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 Wednesday, 18 November 2026: day of Mercury
- Sunrise
- 05:49
- Sunset
- 17:25
- Next sunrise
- 05:49
A day hour lasts 58 min; a night hour, 1h 02m. Local time (Asia/Ho_Chi_Minh).
Day
- 1☿︎ Mercury05:49 – 06:47
- 2☽︎ Moon06:47 – 07:45
- 3♄︎ Saturn07:45 – 08:43
- 4♃︎ Jupiter08:43 – 09:41
- 5♂︎ Mars09:41 – 10:39
- 6☉︎ Sun10:39 – 11:37
- 7♀︎ Venus11:37 – 12:35
- 8☿︎ Mercury12:35 – 13:33
- 9☽︎ Moon13:33 – 14:31
- 10♄︎ Saturn14:31 – 15:29
- 11♃︎ Jupiter15:29 – 16:27
- 12♂︎ Mars16:27 – 17:25
Night
- 1☉︎ Sun17:25 – 18:27
- 2♀︎ Venus18:27 – 19:29
- 3☿︎ Mercury19:29 – 20:31
- 4☽︎ Moon20:31 – 21:33
- 5♄︎ Saturn21:33 – 22:35
- 6♃︎ Jupiter22:35 – 23:37
- 7♂︎ Mars23:37 – 00:39
- 8☉︎ Sun00:39 – 01:41
- 9♀︎ Venus01:41 – 02:43
- 10☿︎ Mercury02:43 – 03:45
- 11☽︎ Moon03:45 – 04:47
- 12♄︎ Saturn04:47 – 05:49
Other cities · Vietnam
Questions
How are the planetary hours calculated in Biên Hòa?
On Wednesday, 18 November 2026, the Sun rises at 05:49 and sets at 17:25: the day lasts 11h 36m, that is twelve day hours of 58 min. The night, until the next sunrise at 05:49, lasts 12h 24m: twelve night hours of 1h 02m.
Which planet rules the first hour that day?
Mercury, from 05:49 to 06:47: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Moon, Saturn, Jupiter, Mars, the Sun, Venus, then Mercury 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.