Wednesday, September 3, 2025 is a Wednesday. It is day 246 of 2025 (67.4% through the year), ISO week 36, in Q3.
Calendar Specifications
Wednesday, September 3, 2025 combines practical calendar facts with a wider view of the day: 2017: North Korea conducted its sixth and most powerful nuclear test at Punggye-ri, causing a magnitude-6.3 earthquake.. Use it to check the date, plan across time zones, and scan the observances and historical markers attached to September 3.
Share September 3 as a quick date, history, and timezone reference.
Community Pulse
Cast your vote to see how people around the world mark this day in the calendar.
Historical Milestones
North Korea conducted its sixth and most powerful nuclear test at Punggye-ri, causing a magnitude-6.3 earthquake.
2017 North Korean nuclear test →The Troubles: Ulster loyalists resumed a picket outside a Catholic girls' primary school in the Protestant portion of Ardoyne, in Belfast, Northern Ireland.
The Troubles →A fire killed 25 people locked inside a burning chicken processing plant in Hamlet, North Carolina, U.S.
Hamlet chicken processing plant fire →While he was abroad, Burundian president Jean-Baptiste Bagaza was deposed in a military coup d'état by Pierre Buyoya.
Jean-Baptiste Bagaza →The Holocaust: In possibly the first Jewish ghetto uprising, residents of the Łachwa Ghetto in occupied Poland, informed of the upcoming "liquidation" of the ghetto, unsuccessfully fought against their Nazi captors.
The Holocaust →The Guild of Carillonneurs in North America was founded in Parliament Hill, Ottawa, Canada.
The Guild of Carillonneurs in North America →On the Bonneville Salt Flats in Utah, British racing motorist Malcolm Campbell became the first person to drive an automobile over 300 mph (480 km/h).
Bonneville Salt Flats →At the Royal Exhibition Building (pictured) in Melbourne, the flag of Australia flew for the first time.
Royal Exhibition Building →The passenger steamship SS Princess Alice sank in the River Thames after colliding (pictured) with the collier Bywell Castle, killing more than 600 people.
Sinking of SS Princess Alice →American Revolutionary War: The British Army and their Hessian allies defeated an American militia at the Battle of Cooch's Bridge.
American Revolutionary War →Calculate business days and elapsed calendar time between this date and any other.
Milestone Countdown TimerTrack a live ticking countdown to this date with days, hours, minutes, and seconds.
World Timezone PlannerCompare working hours across New York, London, Tokyo, Sydney, and more.
Perpetual Day of Week EngineLearn the mathematical algorithm and calendar quirks behind weekdays.
Questions & Answers
Wednesday, September 3, 2025 falls on a Wednesday.
385 days ago (1 year, 20 days ago). It is day 246 of 2025 with 119 days remaining in the year.
In Roman numerals, Wednesday, September 3, 2025 is written as III.IX.MMXXV (Day.Month.Year format).
The moon phase for this date is Waxing Gibbous (approx. 81% illuminated). The astrological sun sign is Virgo.