Planetary Hours in Boston Today
Thursday, May 21, 2026
United States · 42.3601°N, 71.0589°W
Sunrise
☀️ 5:18 AM
Sunset
🌅 8:05 PM
Day Ruler
♃ Jupiter
Timezone: America/New_York
At 42°N, Boston has notable seasonal planetary hour swings, and New England's Puritan almanac tradition incorporated planetary hours into colonial-era agricultural and medical practice.
Current Planetary Hour
☀️ Daytime Planetary Hours
| # | Planet | Time |
|---|---|---|
| 1 | ♃Jupiter | 5:18 AM – 6:32 AM |
| 2 | ♂Mars | 6:32 AM – 7:46 AM |
| 3 | ☉Sun | 7:46 AM – 9:00 AM |
| 4 | ♀Venus | 9:00 AM – 10:14 AM |
| 5 | ☿Mercury | 10:14 AM – 11:28 AM |
| 6 | ☽Moon | 11:28 AM – 12:42 PM |
| 7 | ♄Saturn | 12:42 PM – 1:56 PM |
| 8 | ♃Jupiter | 1:56 PM – 3:10 PM |
| 9 | ♂Mars | 3:10 PM – 4:24 PM |
| 10 | ☉Sun | 4:24 PM – 5:37 PM |
| 11 | ♀VenusNow | 5:37 PM – 6:51 PM |
| 12 | ☿Mercury | 6:51 PM – 8:05 PM |
🌙 Nighttime Planetary Hours
| # | Planet | Time |
|---|---|---|
| 1 | ☽Moon | 8:05 PM – 8:51 PM |
| 2 | ♄Saturn | 8:51 PM – 9:37 PM |
| 3 | ♃Jupiter | 9:37 PM – 10:23 PM |
| 4 | ♂Mars | 10:23 PM – 11:09 PM |
| 5 | ☉Sun | 11:09 PM – 11:55 PM |
| 6 | ♀Venus | 11:55 PM – 12:41 AM |
| 7 | ☿Mercury | 12:41 AM – 1:27 AM |
| 8 | ☽Moon | 1:27 AM – 2:13 AM |
| 9 | ♄Saturn | 2:13 AM – 2:59 AM |
| 10 | ♃Jupiter | 2:59 AM – 3:45 AM |
| 11 | ♂Mars | 3:45 AM – 4:31 AM |
| 12 | ☉Sun | 4:31 AM – 5:17 AM |
Frequently Asked Questions
What are the planetary hours in Boston today?
Today, planetary hours in Boston begin at sunrise (5:18 AM) and are ruled by Jupiter. Each daytime planetary hour lasts about 74 minutes, while each nighttime hour lasts about 46 minutes.
What planet rules today in Boston?
The day ruler in Boston today is Jupiter. The day ruler is the planet that governs the first planetary hour after sunrise. In the Chaldean order, each day of the week is ruled by a specific planet: Sun (Sunday), Moon (Monday), Mars (Tuesday), Mercury (Wednesday), Jupiter (Thursday), Venus (Friday), and Saturn (Saturday).
How are planetary hours calculated for Boston?
Planetary hours for Boston are calculated using the city's precise coordinates (42.3601°N, 71.0589°W) and timezone (America/New_York). The time between sunrise and sunset is divided into 12 equal daytime planetary hours, and the time between sunset and the next sunrise is divided into 12 equal nighttime hours. Each hour is assigned a planet following the Chaldean order.
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