Thursday, August 13, 2026 is a Thursday. It is day 225 of 2026 (61.6% through the year), ISO week 33, in Q3.
Calendar Specifications
Today, August 13, 2026, marks day 225 of the year, with the moon in its New Moon phase and the zodiac sign being Leo. On this day, several historical figures are commemorated, including Benedetto Sinigardi, Benildus Romançon, Cassian of Imola, Clara Maass, Florence Nightingale, and Octavia Hill. Historically, August 13 has been a significant day, with events such as the launch of the German Luftwaffe's air operation, Adlertag, during World War II in 1940, and Opha May Johnson becoming the first woman to enlist in the United States Marine Corps in 1918. In recent years, August 13 has also been marked by notable events, including the docking of the MV Sun Sea in British Columbia in 2010, which carried 492 Sri Lankan Tamil refugee claimants, and the a...
Today, August 13, 2026, marks day 225 of the year, with the moon in its New Moon phase and the zodiac sign being Leo.
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Historical Milestones
After being boarded by Canadian authorities, MV Sun Sea docked in British Columbia and the 492 Sri Lankan Tamil refugee claimants on board were placed in detention.
MV Sun Sea incident →Merely 22 hours after Tropical Storm Bonnie struck the U.S. state of Florida, Hurricane Charley inflicted further damage to the region (example pictured).
Tropical Storm Bonnie (2004) →The Act on National Flag and Anthem was adopted, formally establishing the Hinomaru and "Kimigayo" as the Japanese national flag and anthem, respectively.
Act on National Flag and Anthem →World War II: The German Luftwaffe launched an air operation, codenamed Adlertag, to destroy the British Royal Air Force; its failure indefinitely postponed the German invasion of the United Kingdom.
World War II →Opha May Johnson became the first woman to enlist in the United States Marine Corps.
Opha May Johnson →Members of the U.S. Army's all-black 25th Infantry Regiment were accused of killing a white bartender and wounding a white police officer in Brownsville, Texas, despite exculpatory evidence.
25th Infantry Regiment (United States) →A performance of Das Rheingold (scene pictured) opened the first performance of Richard Wagner's Ring cycle at the inaugural Bayreuth Festival, attended by emperors and other composers.
Das Rheingold →A major earthquake near Arica, Peru (now in Chile), caused an estimated 25,000 casualties; the subsequent tsunami caused considerable damage as far away as Hawaii and New Zealand.
1868 Arica earthquake →Anglo-Spanish War: The United Kingdom captured Havana after a five-week siege, holding it until the Treaty of Paris the following year.
Anglo-Spanish War (1762–1763) →Bach led the Thomanerchor in Leipzig in the first performance of the chorale cantata, Nimm von uns, Herr, du treuer Gott, BWV 101.
Johann Sebastian Bach →Calculate business days and elapsed calendar time between this date and any other.
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Questions & Answers
Thursday, August 13, 2026 falls on a Thursday.
42 days ago (1 month, 11 days ago). It is day 225 of 2026 with 140 days remaining in the year.
In Roman numerals, Thursday, August 13, 2026 is written as XIII.VIII.MMXXVI (Day.Month.Year format).
The moon phase for this date is New Moon (approx. 0% illuminated). The astrological sun sign is Leo.