Monday, September 29, 2025

Monday, September 29, 2025 falls on a Monday. It is day 272 of the year, ISO week 40, in Q3.

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Monday, September 29

September 29, 2025 is day 272 of 365, ISO week 40, in Q3. The moon is First Quarter and the zodiac sign is Libra.

Day of year272
ISO week40
QuarterQ3
Days left93

Sun and Moon Cycles

Moon phase
First Quarter
Lunar age
7 days
Illumination
46%
Season
Autumn in the Northern Hemisphere, spring in the Southern Hemisphere

Zodiac and Holidays

Zodiac
Libra
Observances
No major fixed observance in the built-in calendar
Shareable URL
/date/2025-09-29

Today's Celebrations

September 29
Observance Charles, Duke of Brittany
Observance Hripsime
Observance Jean de Montmirail
Observance Theodota of Philippi
Observance September 29 (Eastern Orthodox liturgics)
Observance the Archangels Michael, Gabriel, and Raphael. One of the four quarter days in the Irish calendar. (England and Ireland)...
Observance Inventors' Day (Argentina)
Observance Victory of Boquerón Day (Paraguay)

Daily Briefing

Local brief

Monday, September 29, 2025 combines practical calendar facts with a wider view of the day: 2006: Gol Transportes Aéreos Flight 1907 collided in mid-air with an Embraer Legacy business jet near Peixoto de Azevedo, Brazil, killing 154 people and triggering a national aviation crisis.. Use it to check the date, plan across time zones, and scan the observances and historical markers attached to September 29.

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History for September 29

10 events

Gol Transportes Aéreos Flight 1907 collided in mid-air with an Embraer Legacy business jet near Peixoto de Azevedo, Brazil, killing 154 people and triggering a national aviation crisis.

John Roberts became the 17th Chief Justice of the United States; he would be the first Chief Justice to serve for twenty years since Melville Fuller in 1908.

Archaeologists and volunteers began excavation of the remains of Fort Tanjong Katong in Singapore.

The award-winning Disney animated film Beauty and the Beast premiered while unfinished at the New York Film Festival.

The Lockheed YF-22, the prototype for the F-22 Raptor, made its first flight.

Mafalda, a popular comic strip by Quino, was first published in newspapers in Argentina.

The University of East Anglia (coat of arms featured) was founded in Norwich, England, after talk of establishing a university in the city began as early as the 19th century.

An explosion at the Soviet nuclear reprocessing plant Mayak released 74 to 1,850 PBq of radioactive material.

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