LoupeLabMoon Phase in Philadelphia Today
Monday, August 31, 2026 · United States
Waning Gibbous
90% illuminated
Tonight’s Moon in Philadelphia
Best viewing at 1:45 AM facing ESE · 52° above horizon
The Moon & Philadelphia
similar lunar visibility to New York
Lunar Culture in Philadelphia
Benjamin Franklin published lunar phase tables in Poor Richard's Almanack from his Philadelphia print shop, making lunar data accessible to colonial Americans. The Franklin Institute, one of the oldest science museums in the country, houses the Fels Planetarium and continues this tradition of public astronomy education. The Rittenhouse Astronomical Society, founded in 1888, hosts public observing sessions.
How the Moon Affects Philadelphia
The Delaware River's tidal range at Philadelphia reaches 1.8 meters, influenced directly by lunar position. This tidal river historically determined cargo loading schedules at the port. Philadelphia's community gardening movement, one of the largest urban gardening networks in the nation, includes practitioners who follow lunar planting calendars passed down through generations.
Best Moon Viewing in Philadelphia
The Schuylkill River Trail near the Art Museum offers clear eastern horizon views for moonrise. Belmont Plateau in Fairmount Park provides an elevated vantage over the city skyline.
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Upcoming Lunar Events
New Moon
Thursday, September 10, 2026
Full MoonHarvest Moon
Saturday, September 26, 2026
New Moon
Saturday, October 10, 2026
Full MoonHunter's Moon
Monday, October 26, 2026
New Moon
Sunday, November 8, 2026
Full MoonBeaver Moon
Tuesday, November 24, 2026
Moonphase Watches & Philadelphia
Set Your Moonphase Watch in Philadelphia
To set your moonphase complication in Philadelphia: wait for the next full moon (Saturday, September 26), then advance the moonphase disc to show a full moon centered in the aperture. Set the time to 8:33 PM local time. Use our drift calculator to check if your complication has drifted since you last set it.
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