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Planetary hours · Calgary (Canada)

Planetary hours
in Calgary.

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 Sunday, 21 December 2025: day of the Sun

Sunrise
08:37
Sunset
16:31
Next sunrise
08:38

A day hour lasts 40 min; a night hour, 1h 21m. Local time (America/Edmonton).

Day

  1. 1☉︎ Sun08:37 – 09:17
  2. 2♀︎ Venus09:17 – 09:56
  3. 3☿︎ Mercury09:56 – 10:36
  4. 4☽︎ Moon10:36 – 11:15
  5. 5♄︎ Saturn11:15 – 11:55
  6. 6♃︎ Jupiter11:55 – 12:34
  7. 7♂︎ Mars12:34 – 13:14
  8. 8☉︎ Sun13:14 – 13:53
  9. 9♀︎ Venus13:53 – 14:33
  10. 10☿︎ Mercury14:33 – 15:12
  11. 11☽︎ Moon15:12 – 15:52
  12. 12♄︎ Saturn15:52 – 16:31

Night

  1. 1♃︎ Jupiter16:31 – 17:52
  2. 2♂︎ Mars17:52 – 19:12
  3. 3☉︎ Sun19:12 – 20:33
  4. 4♀︎ Venus20:33 – 21:53
  5. 5☿︎ Mercury21:53 – 23:14
  6. 6☽︎ Moon23:14 – 00:34
  7. 7♄︎ Saturn00:34 – 01:55
  8. 8♃︎ Jupiter01:55 – 03:15
  9. 9♂︎ Mars03:15 – 04:36
  10. 10☉︎ Sun04:36 – 05:56
  11. 11♀︎ Venus05:56 – 07:17
  12. 12☿︎ Mercury07:17 – 08:38

Other cities · Canada

Questions

How are the planetary hours calculated in Calgary?

On Sunday, 21 December 2025, the Sun rises at 08:37 and sets at 16:31: the day lasts 7h 54m, that is twelve day hours of 40 min. The night, until the next sunrise at 08:38, lasts 16h 06m: twelve night hours of 1h 21m.

Which planet rules the first hour that day?

The Sun, from 08:37 to 09:17: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Venus, Mercury, the Moon, Saturn, Jupiter, Mars, then the Sun 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.

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Calendars

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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.