Planetary hours
in Sendai.
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 Monday, 8 June 2026: day of the Moon
- Sunrise
- 04:13
- Sunset
- 18:58
- Next sunrise
- 04:12
A day hour lasts 1h 14m; a night hour, 46 min. Local time (Asia/Tokyo).
Day
- 1☽︎ Moon04:13 – 05:26
- 2♄︎ Saturn05:26 – 06:40
- 3♃︎ Jupiter06:40 – 07:54
- 4♂︎ Mars07:54 – 09:08
- 5☉︎ Sun09:08 – 10:21
- 6♀︎ Venus10:21 – 11:35
- 7☿︎ Mercury11:35 – 12:49
- 8☽︎ Moon12:49 – 14:03
- 9♄︎ Saturn14:03 – 15:16
- 10♃︎ Jupiter15:16 – 16:30
- 11♂︎ Mars16:30 – 17:44
- 12☉︎ Sun17:44 – 18:58
Night
- 1♀︎ Venus18:58 – 19:44
- 2☿︎ Mercury19:44 – 20:30
- 3☽︎ Moon20:30 – 21:16
- 4♄︎ Saturn21:16 – 22:03
- 5♃︎ Jupiter22:03 – 22:49
- 6♂︎ Mars22:49 – 23:35
- 7☉︎ Sun23:35 – 00:21
- 8♀︎ Venus00:21 – 01:08
- 9☿︎ Mercury01:08 – 01:54
- 10☽︎ Moon01:54 – 02:40
- 11♄︎ Saturn02:40 – 03:26
- 12♃︎ Jupiter03:26 – 04:12
Questions
How are the planetary hours calculated in Sendai?
On Monday, 8 June 2026, the Sun rises at 04:13 and sets at 18:58: the day lasts 14h 45m, that is twelve day hours of 1h 14m. The night, until the next sunrise at 04:12, lasts 9h 15m: twelve night hours of 46 min.
Which planet rules the first hour that day?
The Moon, from 04:13 to 05:26: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Saturn, Jupiter, Mars, the Sun, Venus, Mercury, then the Moon 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.