Monday, September 21, 2026

Monday, September 21, 2026 falls on a Monday. It is day 264 of the year, ISO week 39, in Q3.

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Monday, September 21

September 21, 2026 is day 264 of 365, ISO week 39, in Q3. The moon is Waxing Gibbous and the zodiac sign is Virgo.

Day of year264
ISO week39
QuarterQ3
Days left101

Sun and Moon Cycles

Moon phase
Waxing Gibbous
Lunar age
9.6 days
Illumination
73%
Season
Summer in the Northern Hemisphere, winter in the Southern Hemisphere

Zodiac and Holidays

Zodiac
Virgo
Observances
No major fixed observance in the built-in calendar
Shareable URL
/date/2026-09-21

Today's Celebrations

September 21
Observance Autumnal equinox observances in the Northern Hemisphere, vernal equinox observances in the Southern Hemisphere (see Sep...
Observance Cadoc
Observance Ephigenia of Ethiopia
Observance Laurent-Joseph-Marius Imbert (one of the Korean Martyrs)
Observance Matthew the Evangelist (Western Church)
Observance Maura of Troyes
Observance Nativity of the Theotokos (Eastern Orthodox Church, Julian calendar)
Observance September 21 (Eastern Orthodox liturgics)

Daily Briefing

Local brief

Monday, September 21, 2026 combines practical calendar facts with a wider view of the day: 2013: Unidentified gunmen began a three-day attack on the upmarket Westgate shopping mall in Nairobi, Kenya, resulting in the deaths of 67 people with at least another 175 wounded.. Use it to check the date, plan across time zones, and scan the observances and historical markers attached to September 21.

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History for September 21

10 events

Unidentified gunmen began a three-day attack on the upmarket Westgate shopping mall in Nairobi, Kenya, resulting in the deaths of 67 people with at least another 175 wounded.

American rock band Green Day released their seventh studio album, American Idiot.

Several British Muslim youths in Peterborough, England, murdered 17-year-old Ross Parker, leading to debate over whether the British media failed to cover racially motivated crimes with white victims.

A 7.7 Mw earthquake struck Jiji, Taiwan, killing 2,415 people, injuring more than 11,000 others and causing about NT$300 billion (US$10 billion) in damage across the island.

The Defense of Marriage Act was passed by the United States Congress, prohibiting federal recognition of same-sex marriage, while allowing states to adopt any marital definition of their choosing.

The Soviet Union's Zond 5 landed in the Indian Ocean, becoming the first spacecraft to safely return to Earth after travelling around the Moon.

Portugal accepted a diplomatic mission from Southern Rhodesia despite objections by Britain, which had required the colony to implement black majority rule as a condition of independence.

The first section of Interstate 80 in Iowa opened in the Des Moines metropolitan area.

News of the day

Wikimedia Current Events

No current-events archive was available for this date during generation.