Planetary hours
in Sapporo.
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, 15 December 2026: day of Mars
- Sunrise
- 06:58
- Sunset
- 16:00
- Next sunrise
- 06:59
A day hour lasts 45 min; a night hour, 1h 15m. Local time (Asia/Tokyo).
Day
- 1♂︎ Mars06:58 – 07:43
- 2☉︎ Sun07:43 – 08:28
- 3♀︎ Venus08:28 – 09:14
- 4☿︎ Mercury09:14 – 09:59
- 5☽︎ Moon09:59 – 10:44
- 6♄︎ Saturn10:44 – 11:29
- 7♃︎ Jupiter11:29 – 12:14
- 8♂︎ Mars12:14 – 12:59
- 9☉︎ Sun12:59 – 13:44
- 10♀︎ Venus13:44 – 14:29
- 11☿︎ Mercury14:29 – 15:15
- 12☽︎ Moon15:15 – 16:00
Night
- 1♄︎ Saturn16:00 – 17:15
- 2♃︎ Jupiter17:15 – 18:30
- 3♂︎ Mars18:30 – 19:45
- 4☉︎ Sun19:45 – 20:59
- 5♀︎ Venus20:59 – 22:14
- 6☿︎ Mercury22:14 – 23:29
- 7☽︎ Moon23:29 – 00:44
- 8♄︎ Saturn00:44 – 01:59
- 9♃︎ Jupiter01:59 – 03:14
- 10♂︎ Mars03:14 – 04:29
- 11☉︎ Sun04:29 – 05:44
- 12♀︎ Venus05:44 – 06:59
Questions
How are the planetary hours calculated in Sapporo?
On Tuesday, 15 December 2026, the Sun rises at 06:58 and sets at 16:00: the day lasts 9h 01m, that is twelve day hours of 45 min. The night, until the next sunrise at 06:59, lasts 14h 59m: twelve night hours of 1h 15m.
Which planet rules the first hour that day?
Mars, from 06:58 to 07:43: 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.