New York · August 18, 2026
Planetary Hours
Planetary hours divide daylight and night into 12 equal parts each, with every hour ruled by a planet in the Chaldean order.
Current planetary hour
#24 Day/Night
Ruler of the day
Mercury
Ruler of the night
Sun
Planetary hours
| Start | Planet | End | Hour |
|---|---|---|---|
| 23:16 | Venusyesterday | 00:08 | 5 |
| 00:08 | Mercuryyesterday | 00:59 | 6 |
| 00:59 | Moonyesterday | 01:51 | 7 |
| 01:51 | Saturnyesterday | 02:43 | 8 |
| 02:43 | Jupiteryesterday | 03:35 | 9 |
| 03:35 | Marsyesterday | 04:26 | 10 |
| 04:26 | Sunyesterday | 05:18 | 11 |
| 05:18 | Venusyesterday | 06:10 | 12 |
| 06:10 | Mercury | 07:18 | 1 |
| 07:18 | Moon | 08:26 | 2 |
| 08:26 | Saturn | 09:34 | 3 |
| 09:34 | Jupiter | 10:42 | 4 |
| 10:42 | Mars | 11:51 | 5 |
| Start | Planet | End | Hour |
|---|---|---|---|
| 11:51 | Sun | 12:59 | 6 |
| 12:59 | Venus | 14:07 | 7 |
| 14:07 | Mercury | 15:15 | 8 |
| 15:15 | Moon | 16:23 | 9 |
| 16:23 | Saturn | 17:31 | 10 |
| 17:31 | Jupiter | 18:40 | 11 |
| 18:40 | Mars | 19:48 | 12 |
| 19:48 | Sun | 20:40 | 1 |
| 20:40 | Venus | 21:32 | 2 |
| 21:32 | Mercury | 22:23 | 3 |
| 22:23 | Moon | 23:15 | 4 |
| 23:15 | Saturn | 00:07 | 5 |
The convenient view lists all hours of the day in order of start time — from midnight to midnight — making it easier to plan your schedule.
Sunrise
06:10
Sunset
19:48
Next sunrise
06:11
Ruler of the day
Mercury
Ruler of the night
Sun
What are planetary hours?
A planetary hour is a traditional division of the day into twelve daylight hours (from sunrise to sunset) and twelve night hours (from sunset to the next sunrise). Each hour is ruled by one of the seven classical planets — Saturn, Jupiter, Mars, the Sun, Venus, Mercury, and the Moon — in the Chaldean order. The first daylight hour belongs to the planet that rules the day of the week.
Planetary hours are a traditional system with ancient astrological and religious roots. They are not a scientific method of timekeeping.