Unix timestamp

1621123199

Sat 15 May 2021 11:59:59 PM UTC

Coordinated Universal Time

Sat May 15 23:59:59 2021 UTC

In your local timezone

2021-05-15T23:59:59+00:00

ISO 8601

Sat, 15 May 2021 23:59:59 +0000

RFC 2822

2459351

Julian Date

4 Sivan 5781

Hebrew Date

041

Swatch Internet Time

134

Day of the year

May

Month

31

Days in month

19

Week

Saturday

Day of the week

Time Converter


Convert a unix timestamp
Convert a date

1621123199

Converting Unix timestamp 1621123199 using our Time Converter gives us the following information:

1621123199 is representing the 134 day of the year 2021 in the Gregorian calendar, having 365 days. There are 231 days left of the year and this particular timestamp falls on a Saturday, May 15 of week 19 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 Waxing crescent phase, about 247,326 miles (or 398,033 km) from Earth.

On this day, many notable and historically important events have taken place. But to only mention a few, in year 221, Liu Bei, Chinese warlord, proclaims himself emperor of Shu Han, the successor of the Han dynasty. And later in 589 king Authari marries Theodelinda, daughter of the Bavarian duke Garibald I. A Catholic, she has great influence among the Lombard nobility. More recently, in 2023 the UN commemorates the Palestinian Nakba Day for the first time.

We've also, tragically, seen a few famous deaths throughout history on this day. One notable mention is in 392 when Valentinian II, Roman emperor (born in 371) passed away and in 558 when Hilary of Galeata, Christian monk (born in 476) left us. And more recently, Kamla Beniwal, Indian politician (born in 1927) who died in in 2024.

May 15, or 1621123199, is also a day that we should celebrate. This date marks the birth of many influential people throughout history, including Sejong the Great, Korean king of Joseon (died in 1450) who was born in 1397, and later in 1531 - Maria of Austria, Duchess of Jülich-Cleves-Berg (died in 1581)[citation needed]. More recently, Chase Hudson, American internet celebrity, singer, actor who was born in 2002.

Conversion help

For your conveniance, we have listed the conversion syntaxes for 1621123199 timestamp to serveral of the most popular programming lanugages below.

PHP
date('Y-m-d H:i:s', 1621123199);
MySQL
select from_unixtime(1621123199);
JavaScript
new Date(1621123199*1000).toString();
C++
time_t epch = 1621123199;
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(1621123199));
Java
new SimpleDateFormat("MM/dd/yyyy HH:mm:ss").format(new Date(1621123199 * 1000L))
Ruby
require 'date'
DateTime.strptime("1621123199",'%s')
Binary
11000001 01000000 11000000 1111111
Hexadecimal
60a0607f

A few related timestamps to 1621123199 are:

Start of year
1609459200
End of Year
1640995199
Start of month
1619827200
End of month
1622505599
Start of day
1621036800
End fo day
1621123199
Start of hour
1621119600
End fo hour
1621123199
Start of min
1621123140
End fo min
1621123199