Wednesday, September 27, 2023 is a Wednesday. It is day 270 of 2023 (74% through the year), ISO week 39, in Q3.
Calendar Specifications
Wednesday, September 27, 2023 combines practical calendar facts with a wider view of the day: 2014: Mount Ontake in central Japan unexpectedly erupted, killing 63 people in the nation's deadliest eruption in more than 100 years.. Use it to check the date, plan across time zones, and scan the observances and historical markers attached to September 27.
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Historical Milestones
Mount Ontake in central Japan unexpectedly erupted, killing 63 people in the nation's deadliest eruption in more than 100 years.
Mount Ontake →The Taliban drove Afghan President Burhanuddin Rabbani out of Kabul, tortured and murdered former president Mohammad Najibullah, and established the Islamic Emirate of Afghanistan.
Taliban →Led by pro-democracy activist Aung San Suu Kyi (pictured), the political party National League for Democracy was founded in Burma.
Aung San Suu Kyi →American software developer Richard Stallman announced plans for the Unix-like operating system GNU, the first free software developed by the GNU Project.
Richard Stallman →Iran–Iraq War: Iran broke the Iraqi siege of Abadan by Operation Samen-ol-A'emeh.
Iran–Iraq War →Two members of ETA political-military and three members of the Revolutionary Antifascist Patriotic Front, sentenced to death for murder, became the last people to be executed in Spain.
ETA political-military →The British Aircraft Corporation TSR-2, an advanced Cold War tactical strike and reconnaissance aircraft that was later cancelled, made its maiden flight.
BAC TSR-2 →Members of the Chinese People's Political Consultative Conference unanimously selected Zeng Liansong's design for the flag of China (pictured).
Chinese People's Political Consultative Conference →SS Patrick Henry, the first of 2,710 Liberty ships built during World War II by the United States, was launched.
SS Patrick Henry →World War II: Nazi Germany, Fascist Italy and the Empire of Japan signed the Tripartite Pact in Berlin, officially forming a military alliance known as the Axis.
World War II →The Broadhurst Theatre opened in New York City with a performance of Misalliance by George Bernard Shaw.
Broadhurst Theatre →Lij Iyasu (pictured), the emperor-designate of Ethiopia, was deposed in favor of his aunt Zewditu.
Lij Iyasu →Calculate business days and elapsed calendar time between this date and any other.
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Questions & Answers
Wednesday, September 27, 2023 falls on a Wednesday.
1,081 days ago (2 years, 11 months, 15 days ago). It is day 270 of 2023 with 95 days remaining in the year.
In Roman numerals, Wednesday, September 27, 2023 is written as XXVII.IX.MMXXIII (Day.Month.Year format).
The moon phase for this date is Waxing Gibbous (approx. 93% illuminated). The astrological sun sign is Libra.