Unix timestamp

1639958399

Sun 19 Dec 2021 11:59:59 PM UTC

Coordinated Universal Time

Sun Dec 19 23:59:59 2021 UTC

In your local timezone

2021-12-19T23:59:59+00:00

ISO 8601

Sun, 19 Dec 2021 23:59:59 +0000

RFC 2822

2459569

Julian Date

15 Tevet 5782

Hebrew Date

041

Swatch Internet Time

352

Day of the year

December

Month

31

Days in month

50

Week

Sunday

Day of the week

Time Converter


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1639958399

Converting Unix timestamp 1639958399 using our Time Converter gives us the following information:

1639958399 is representing the 352 day of the year 2021 in the Gregorian calendar, having 365 days. There are 13 days left of the year and this particular timestamp falls on a Sunday, December 19 of week 50 at 23:59 UTC in the afternoon meaning that about 100% of the day has passed. At this specifc time, the moon was in its Full moon phase, about 251,115 miles (or 404,130 km) from Earth.

On this day, many notable and historically important events have taken place. But to only mention a few, in year 1154, Henry II of England is crowned at Westminster Abbey. And later in 1187 Pope Clement III is elected. More recently, in 2001 argentine economic crisis: December riots: Riots erupt in Buenos Aires, Argentina.

We've also, tragically, seen a few famous deaths throughout history on this day. One notable mention is in 401 when Pope Anastasius I passed away and in 966 when Sancho I, king of León left us. And more recently, Johnny Isakson, American politician (born in 1944) who died in in 2021.

December 19, or 1639958399, is also a day that we should celebrate. This date marks the birth of many influential people throughout history, including William I, Margrave of Meissen (died in 1407) who was born in 1343, and later in 1498 - Andreas Osiander, German Protestant theologian (died in 1552). More recently, Maudy Ayunda, Indonesian actress and singer-songwriter who was born in 1994.

Conversion help

For your conveniance, we have listed the conversion syntaxes for 1639958399 timestamp to serveral of the most popular programming lanugages below.

PHP
date('Y-m-d H:i:s', 1639958399);
MySQL
select from_unixtime(1639958399);
JavaScript
new Date(1639958399*1000).toString();
C++
time_t epch = 1639958399;
printf("%i -> %s", epch, asctime(gmtime(&epch))); (time.h);
C#
String.Format("{0:d/M/yyyy HH:mm:ss}", new System.DateTime(1970, 1, 1, 0, 0, 0, 0).AddSeconds(1639958399));
Java
new SimpleDateFormat("MM/dd/yyyy HH:mm:ss").format(new Date(1639958399 * 1000L))
Ruby
require 'date'
DateTime.strptime("1639958399",'%s')
Binary
11000011 01111111 10001110 1111111
Hexadecimal
61bfc77f

A few related timestamps to 1639958399 are:

Start of year
1609459200
End of Year
1640995199
Start of month
1638316800
End of month
1640995199
Start of day
1639872000
End fo day
1639958399
Start of hour
1639954800
End fo hour
1639958399
Start of min
1639958340
End fo min
1639958399