LoupeLabMoon Phase in Osaka Today
Monday, August 31, 2026 · Japan
Waning Gibbous
90% illuminated
Tonight’s Moon in Osaka
Best viewing at 3:00 AM facing SSW · 67° above horizon
The Moon & Osaka
maritime climate with distinct seasons
Lunar Culture in Osaka
Osaka's Tsukimi tradition is celebrated at Sumiyoshi Taisha shrine, one of Japan's oldest (founded in 211 CE). The shrine's straight bridge (Taikobashi) was designed to reflect moonlight. Osaka Castle's grounds host autumn moon viewing events. The Osaka Science Museum's planetarium is one of the largest in Japan. Osaka's merchant culture historically used the lunar calendar for calculating payment cycles.
How the Moon Affects Osaka
Osaka Bay's tidal range of about 1.5 meters affects the port of Osaka-Kobe, Japan's busiest commercial port. Inland Sea fishing follows lunar tidal tables for sea bream, octopus, and seaweed harvesting. The traditional Japanese lunar calendar still influences festival timing, tea ceremony scheduling, and kaiseki restaurant seasonal menus throughout Osaka.
Best Moon Viewing in Osaka
Osaka Castle's observation deck (50m) provides a central vantage point. Mount Ikoma (642m) on the Osaka-Nara border offers darker skies. Autumn (September-November) is the prime Tsukimi season with clear skies and moderate temperatures.
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Upcoming Lunar Events
New Moon
Friday, September 11, 2026
Full MoonHarvest Moon
Sunday, September 27, 2026
New Moon
Saturday, October 10, 2026
Full MoonHunter's Moon
Monday, October 26, 2026
New Moon
Monday, November 9, 2026
Full MoonBeaver Moon
Wednesday, November 25, 2026
Moonphase Watches & Osaka
Set Your Moonphase Watch in Osaka
To set your moonphase complication in Osaka: wait for the next full moon (Sunday, September 27), then advance the moonphase disc to show a full moon centered in the aperture. Set the time to 7:47 PM local time. Use our drift calculator to check if your complication has drifted since you last set it.
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