Planetary hours
in Saint Petersburg.
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, 21 January 2025: day of Mars
- Sunrise
- 09:35
- Sunset
- 16:45
- Next sunrise
- 09:33
A day hour lasts 36 min; a night hour, 1h 24m. Local time (Europe/Moscow).
Day
- 1♂︎ Mars09:35 – 10:11
- 2☉︎ Sun10:11 – 10:47
- 3♀︎ Venus10:47 – 11:22
- 4☿︎ Mercury11:22 – 11:58
- 5☽︎ Moon11:58 – 12:34
- 6♄︎ Saturn12:34 – 13:10
- 7♃︎ Jupiter13:10 – 13:46
- 8♂︎ Mars13:46 – 14:22
- 9☉︎ Sun14:22 – 14:57
- 10♀︎ Venus14:57 – 15:33
- 11☿︎ Mercury15:33 – 16:09
- 12☽︎ Moon16:09 – 16:45
Night
- 1♄︎ Saturn16:45 – 18:09
- 2♃︎ Jupiter18:09 – 19:33
- 3♂︎ Mars19:33 – 20:57
- 4☉︎ Sun20:57 – 22:21
- 5♀︎ Venus22:21 – 23:45
- 6☿︎ Mercury23:45 – 01:09
- 7☽︎ Moon01:09 – 02:33
- 8♄︎ Saturn02:33 – 03:57
- 9♃︎ Jupiter03:57 – 05:21
- 10♂︎ Mars05:21 – 06:45
- 11☉︎ Sun06:45 – 08:09
- 12♀︎ Venus08:09 – 09:33
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Questions
How are the planetary hours calculated in Saint Petersburg?
On Tuesday, 21 January 2025, the Sun rises at 09:35 and sets at 16:45: the day lasts 7h 10m, that is twelve day hours of 36 min. The night, until the next sunrise at 09:33, lasts 16h 48m: twelve night hours of 1h 24m.
Which planet rules the first hour that day?
Mars, from 09:35 to 10:11: 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.