1,790 days ago (4 years, 10 months, 25 days ago)

Monday, October 18, 2021

Monday, October 18, 2021 is a Monday. It is day 291 of 2021 (79.7% through the year), ISO week 42, in Q4.

Calendar dial and astronomical representation

Comprehensive Date Metrics for Monday, October 18, 2021

ISO 8601 & Astronomical
Day of Year 291 / 365 79.7% of 2021 passed
Days Left in Year 74 days Remaining until Jan 1, 2022
ISO Week Number Week 42 Quarter Q4
Day Classification Weekday Monday
Roman Numeral Date XVIII.X.MMXXI Day.Month.Year
Julian Day Number (JDN) 2,459,505.5 Astronomical continuous count
Unix Epoch Timestamp 1634558400 Seconds since Jan 1, 1970 UTC
Moon Phase & Illumination Waxing Gibbous 92% illuminated
Astrological Zodiac Sign Libra Sun Sign
Calendar Season Autumn in the Northern Hemisphere, spring in the Southern Hemisphere Northern hemisphere season
Leap Year Status Common Year (365 days) February has 28 days
Time Elapsed / Countdown 1,790 days ago (4 years, 10 months, 25 days ago) Relative to today

Holidays & Observances

October 18
Observance Alaska Day (Alaska, United States)
Observance Asclepiades of Antioch
Observance Isaac Jogues
Observance Luke the Evangelist
Observance Peter of Alcantara, can also be celebrated on October 19.
Observance October 18 (Eastern Orthodox liturgics)
Observance Day of Restoration of Independence (Azerbaijan), celebrates the independence of Azerbaijan from the Soviet Union in 199...
Observance Necktie Day (Croatia)

Date Overview & Context

Calendar Overview

Monday, October 18, 2021 combines practical calendar facts with a wider view of the day: 2019: Protests in Santiago that started 11 days prior escalated into open battle against the Chilean national police, forcing President Sebastián Piñera to declare a state of emergency.. Use it to check the date, plan across time zones, and scan the observances and historical markers attached to October 18.

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On This Day in History: October 18

12 Recorded Events

Protests in Santiago that started 11 days prior escalated into open battle against the Chilean national police, forcing President Sebastián Piñera to declare a state of emergency.

Santiago →

Nihilism, the first professional runway show from the British designer Alexander McQueen, was staged in London.

Nihilism (collection) →

At the Summer Olympics in Mexico City, American athlete Bob Beamon (pictured) achieved a distance of 8.90 m (29.2 ft) in the long jump event, setting a world record that stood for 23 years.

1968 Summer Olympics →

The Soviet space probe Venera 4 became the first spacecraft to perform direct in situ analysis of the environment of another planet (Venus).

Venera 4 →

The first cat in space, later known as Félicette, launched aboard a French Véronique rocket.

Félicette →

Pere Areny, convicted of the murder of his brother, became the last person to be executed by Andorra.

Pere Areny →

Johannes Brahms (pictured) conducted the premiere of his Double Concerto, composed for violinist Joseph Joachim and cellist Robert Hausmann.

Johannes Brahms →

Renton defeated Kilmarnock 2–0 in the opening match of the inaugural Scottish Cup.

Renton F.C. →

American Revolutionary War: In an act of retaliation against ports that supported Patriot activities in the early stages of the war, the Royal Navy destroyed what is now Portland, Maine.

American Revolutionary War →

Filipino sailors disembarked from the Manila galleon Nuestra Señora de Buena Esperanza in what is now Morro Bay, California, the first documented instance of Asians in the Americas.

Filipinos →

Notable Memorials & Deaths

In Memoriam

Frequently Asked Questions about Monday, October 18, 2021

What day of the week was or is Monday, October 18, 2021?

Monday, October 18, 2021 falls on a Monday.

How many days ago or from now is Monday, October 18, 2021?

1,790 days ago (4 years, 10 months, 25 days ago). It is day 291 of 2021 with 74 days remaining in the year.

What is the Roman numeral format for Monday, October 18, 2021?

In Roman numerals, Monday, October 18, 2021 is written as XVIII.X.MMXXI (Day.Month.Year format).

What was the moon phase and zodiac sign on Monday, October 18, 2021?

The moon phase for this date is Waxing Gibbous (approx. 92% illuminated). The astrological sun sign is Libra.