122,356 days ago (335 years ago)

Thursday, September 13, 1691

Thursday, September 13, 1691 is a Thursday. It is day 256 of 1691 (70.1% through the year), ISO week 37, in Q3.

Calendar dial and astronomical representation

Comprehensive Date Metrics for Thursday, September 13, 1691

ISO 8601 & Astronomical
Day of Year 256 / 365 70.1% of 1691 passed
Days Left in Year 109 days Remaining until Jan 1, 1692
ISO Week Number Week 37 Quarter Q3
Day Classification Weekday Thursday
Roman Numeral Date XIII.IX.MDCXCI Day.Month.Year
Julian Day Number (JDN) 2,338,940.5 Astronomical continuous count
Unix Epoch Timestamp -8782257600 Seconds since Jan 1, 1970 UTC
Moon Phase & Illumination Last Quarter 68% illuminated
Astrological Zodiac Sign Virgo Sun Sign
Calendar Season Summer in the Northern Hemisphere, winter in the Southern Hemisphere Northern hemisphere season
Leap Year Status Common Year (365 days) February has 28 days
Time Elapsed / Countdown 122,356 days ago (335 years ago) Relative to today

Holidays & Observances

September 13
Observance Feast of the Cross (Assyrian Church of the East)
Observance Aimé (Amatus)
Observance Amé (Amatus) of Remiremont
Observance John Chrysostom
Observance Marcellinus of Carthage
Observance Blessed María López de Rivas Martínez
Observance Maurilius (Maurille) of Angers
Observance Nectarius of Autun

Date Overview & Context

Calendar Overview

Thursday, September 13, 1691 combines practical calendar facts with a wider view of the day: 2008: Five bomb blasts took place in Delhi, India, killing at least 20 people as part of a series of attacks perpetrated by the Indian Mujahideen.. Use it to check the date, plan across time zones, and scan the observances and historical markers attached to September 13.

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On This Day in History: September 13

12 Recorded Events

A software bug caused a simulated pandemic in the online video game World of Warcraft, serving as a model for epidemiologists to understand how human interaction influences disease outbreaks.

Corrupted Blood incident →

Nirvana released their third and final studio album, In Utero, which went on to sell more than 15 million copies.

Nirvana (band) →

Hurricane Gilbert reached a minimum pressure of 888 mb (26.22 inHg) with sustained flight-level winds of 185 mph (295 km/h), making it the most intense Atlantic hurricane on record at the time.

Hurricane Gilbert →

Super Mario Bros., one of the most influential and best-selling video games in history, was first released in Japan for the Nintendo Entertainment System.

Super Mario Bros. →

Following a failed coup attempt, Mao Zedong's second-in-command Lin Biao died in a plane crash while attempting to flee China.

Project 571 →

South Vietnamese generals Lâm Văn Phát and Dương Văn Đức staged a coup attempt after being demoted by junta leader Nguyễn Khánh.

South Vietnam →

The Soviet spacecraft Luna 2 (model pictured) struck the Moon, the first spacecraft to reach another celestial body.

Luna 2 →

Chicago Public Schools began delivering lessons via radio amid to a polio outbreak, marking the first large-scale use of radio broadcasts for distance education.

Chicago Public Schools →

The Boston police strike ended after four days of rule by the state militia, the deaths of nine people, and accusations that striking officers were "agents of Lenin".

Boston police strike →

World War I: The French army repulsed a German assault against their positions on high ground near the city of Nancy.

World War I →

An explosion drove an iron rod through the head of railroad foreman Phineas Gage; his survival and recovery influenced 19th-century discussion of psychology and neuroscience.

Phineas Gage →

Notable Memorials & Deaths

In Memoriam

Frequently Asked Questions about Thursday, September 13, 1691

What day of the week was or is Thursday, September 13, 1691?

Thursday, September 13, 1691 falls on a Thursday.

How many days ago or from now is Thursday, September 13, 1691?

122,356 days ago (335 years ago). It is day 256 of 1691 with 109 days remaining in the year.

What is the Roman numeral format for Thursday, September 13, 1691?

In Roman numerals, Thursday, September 13, 1691 is written as XIII.IX.MDCXCI (Day.Month.Year format).

What was the moon phase and zodiac sign on Thursday, September 13, 1691?

The moon phase for this date is Last Quarter (approx. 68% illuminated). The astrological sun sign is Virgo.