Planetary hours
in Nagoya.
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, 7 May 2027: day of Venus
- Sunrise
- 04:55
- Sunset
- 18:42
- Next sunrise
- 04:55
A day hour lasts 1h 09m; a night hour, 51 min. Local time (Asia/Tokyo).
Day
- 1♀︎ Venus04:55 – 06:04
- 2☿︎ Mercury06:04 – 07:13
- 3☽︎ Moon07:13 – 08:22
- 4♄︎ Saturn08:22 – 09:31
- 5♃︎ Jupiter09:31 – 10:40
- 6♂︎ Mars10:40 – 11:49
- 7☉︎ Sun11:49 – 12:58
- 8♀︎ Venus12:58 – 14:06
- 9☿︎ Mercury14:06 – 15:15
- 10☽︎ Moon15:15 – 16:24
- 11♄︎ Saturn16:24 – 17:33
- 12♃︎ Jupiter17:33 – 18:42
Night
- 1♂︎ Mars18:42 – 19:33
- 2☉︎ Sun19:33 – 20:24
- 3♀︎ Venus20:24 – 21:15
- 4☿︎ Mercury21:15 – 22:06
- 5☽︎ Moon22:06 – 22:57
- 6♄︎ Saturn22:57 – 23:48
- 7♃︎ Jupiter23:48 – 00:39
- 8♂︎ Mars00:39 – 01:30
- 9☉︎ Sun01:30 – 02:21
- 10♀︎ Venus02:21 – 03:12
- 11☿︎ Mercury03:12 – 04:03
- 12☽︎ Moon04:03 – 04:55
Questions
How are the planetary hours calculated in Nagoya?
On Friday, 7 May 2027, the Sun rises at 04:55 and sets at 18:42: the day lasts 13h 47m, that is twelve day hours of 1h 09m. The night, until the next sunrise at 04:55, lasts 10h 13m: twelve night hours of 51 min.
Which planet rules the first hour that day?
Venus, from 04:55 to 06:04: 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.