in 585,059 days (in 1601 years, 10 months, 1 day)

Monday, August 21, 3628

Monday, August 21, 3628 is a Monday. It is day 234 of 3628 (63.9% through the year), ISO week 34, in Q3.

Calendar dial and astronomical representation
Audio Almanac Briefing

Listen to daily astrological metrics, calendar specifications, and historical highlights for Monday, August 21, 3628.

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Comprehensive Date Metrics for Monday, August 21, 3628

ISO 8601 & Astronomical
Day of Year 234 / 366 63.9% of 3628 passed
Days Left in Year 132 days Remaining until Jan 1, 3629
ISO Week Number Week 34 Quarter Q3
Day Classification Weekday Monday
Roman Numeral Date XXI.VIII.MMMDCXXVIII Day.Month.Year
Julian Day Number (JDN) 3,046,392.5 Astronomical continuous count
Unix Epoch Timestamp 52341595200 Seconds since Jan 1, 1970 UTC
Moon Phase & Illumination First Quarter 58% illuminated
Astrological Zodiac Sign Leo Sun Sign
Calendar Season Summer in the Northern Hemisphere, winter in the Southern Hemisphere Northern hemisphere season
Leap Year Status Leap Year (366 days) February has 29 days
Time Elapsed / Countdown in 585,059 days (in 1601 years, 10 months, 1 day) Relative to today

Holidays & Observances

August 21
Observance Abraham of Smolensk (Eastern Orthodox Church)
Observance Bernard of Alzira
Observance Cyriaca
Observance Euprepius of Verona
Observance Maximilian of Antioch
Observance Our Lady of Knock
Observance Pope Pius X
Observance Sidonius Apollinaris

Date Overview & Context

Verified Briefing

On Monday, August 21, 3628, we mark the 1,713th anniversary of the Syrian civil war's devastating sarin attack in Ghouta, Damascus, which occurred on August 21, 2013. Additionally, today commemorates the 642nd anniversary of the limnic eruption of Lake Nyos in Cameroon, which happened on August 21, 1986, resulting in significant loss of life and livestock. The moon is in its First Quarter phase, and the zodiac sign is Leo. Historically, August 21 has been a day of significant events, including the release of the critically acclaimed video game BioShock in 2007, and the heroic actions of passengers on a Thalys train from Amsterdam to Paris in 2015, who subdued an attacker attempting a mass shooting. The Eastern Orthodox Church also celebrates the fea...

On Monday, August 21, 3628, we mark the 1,713th anniversary of the Syrian civil war's devastating sarin attack in Ghouta, Damascus, which occurred on August 21, 2013.
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On This Day in History: August 21

12 Recorded Events

Passengers on a Thalys train from Amsterdam to Paris confronted and subdued an attacker who attempted a mass shooting.

Thalys →

Syrian civil war: Areas controlled by the Syrian opposition in Ghouta, Damascus, were attacked by rockets (launcher pictured) containing sarin, killing at least 281 people.

Syrian civil war →

BioShock was released in North America, becoming a critical success and a demonstration of video games as an art form.

BioShock →

A limnic eruption of Lake Nyos in Cameroon released a cloud of carbon dioxide, suffocating 1,746 people and 3,500 livestock.

Limnic eruption →

Six people were killed during an escape attempt and riot at San Quentin State Prison in California; the subsequent trial of six inmates was the longest in state history at the time.

San Quentin Six →

South Vietnamese special forces loyal to Ngô Đình Nhu, the brother of President Ngô Đình Diệm, raided and vandalised Buddhist pagodas (one pictured) across the country, arresting thousands and leaving hundreds dead.

Army of the Republic of Vietnam Special Forces →

American physicist Harry Daghlian accidentally dropped a tungsten carbide brick onto a plutonium bomb core, exposing himself to neutron radiation and later becoming the first Manhattan Project fatality due to a criticality accide...

Harry Daghlian →

World War II: A combined Canadian–Polish force captured the town of Falaise, France, in the final offensive of the Battle of Normandy.

World War II →

World War II: The Imperial Japanese Army lost the Battle of the Tenaru, the first of its three major land offensives during the Guadalcanal campaign.

World War II →

Leonardo da Vinci's Mona Lisa (pictured) was stolen from the Louvre by museum employee Vincenzo Peruggia and was not recovered until two years later.

Leonardo da Vinci →

Peninsular War: British and Portuguese forces put an end to the first French invasion of Portugal at the Battle of Vimeiro.

Peninsular War →

Notable Memorials & Deaths

In Memoriam

Frequently Asked Questions about Monday, August 21, 3628

What day of the week was or is Monday, August 21, 3628?

Monday, August 21, 3628 falls on a Monday.

How many days ago or from now is Monday, August 21, 3628?

in 585,059 days (in 1601 years, 10 months, 1 day). It is day 234 of 3628 with 132 days remaining in the year.

What is the Roman numeral format for Monday, August 21, 3628?

In Roman numerals, Monday, August 21, 3628 is written as XXI.VIII.MMMDCXXVIII (Day.Month.Year format).

What was the moon phase and zodiac sign on Monday, August 21, 3628?

The moon phase for this date is First Quarter (approx. 58% illuminated). The astrological sun sign is Leo.