Unix timestamp

1638662399

Sat 04 Dec 2021 11:59:59 PM UTC

Coordinated Universal Time

Sat Dec 4 23:59:59 2021 UTC

In your local timezone

2021-12-04T23:59:59+00:00

ISO 8601

Sat, 04 Dec 2021 23:59:59 +0000

RFC 2822

2459554

Julian Date

30 Kislev 5782

Hebrew Date

041

Swatch Internet Time

337

Day of the year

December

Month

31

Days in month

48

Week

Saturday

Day of the week

Time Converter


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1638662399

Converting Unix timestamp 1638662399 using our Time Converter gives us the following information:

1638662399 is representing the 337 day of the year 2021 in the Gregorian calendar, having 365 days. There are 28 days left of the year and this particular timestamp falls on a Saturday, December 04 of week 48 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 New moon phase, about 225,834 miles (or 363,445 km) from Earth.

On this day, many notable and historically important events have taken place. But to only mention a few, in year 1110, the Kingdom of Jerusalem captures Sidon. And later in 1259 kings Louis IX of France and Henry III of England agree to the Treaty of Paris, in which Henry renounces his claims to French-controlled territory on continental Europe (including Normandy) in exchange for Louis withdrawing his support for English rebels. More recently, in 2021 Semeru on the Indonesian island of Java erupts, killing at least 43 people.

We've also, tragically, seen a few famous deaths throughout history on this day. One notable mention is in 530 BC when Cyrus the Great, king of Persia (born in 600 BC) passed away and in 749 when John of Damascus, Syrian priest and saint (born in 676) left us. And more recently, Joana Raspall i Juanola, Spanish author and poet (born in 1913) who died in in 2013.

December 4, or 1638662399, is also a day that we should celebrate. This date marks the birth of many influential people throughout history, including Persius, Roman poet (died in 62) who was born in 34, and later in 846 - Hasan al-Askari 11th Imam of Twelver Shia Islam (died in 874). More recently, Ivan Belikov, Russian footballer who was born in 1996.

Conversion help

For your conveniance, we have listed the conversion syntaxes for 1638662399 timestamp to serveral of the most popular programming lanugages below.

PHP
date('Y-m-d H:i:s', 1638662399);
MySQL
select from_unixtime(1638662399);
JavaScript
new Date(1638662399*1000).toString();
C++
time_t epch = 1638662399;
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(1638662399));
Java
new SimpleDateFormat("MM/dd/yyyy HH:mm:ss").format(new Date(1638662399 * 1000L))
Ruby
require 'date'
DateTime.strptime("1638662399",'%s')
Binary
11000011 01011000 00000001 1111111
Hexadecimal
61ac00ff

A few related timestamps to 1638662399 are:

Start of year
1609459200
End of Year
1640995199
Start of month
1638316800
End of month
1640995199
Start of day
1638576000
End fo day
1638662399
Start of hour
1638658800
End fo hour
1638662399
Start of min
1638662340
End fo min
1638662399