Unix timestamp

1621987199

Tue 25 May 2021 11:59:59 PM UTC

Coordinated Universal Time

Tue May 25 23:59:59 2021 UTC

In your local timezone

2021-05-25T23:59:59+00:00

ISO 8601

Tue, 25 May 2021 23:59:59 +0000

RFC 2822

2459361

Julian Date

14 Sivan 5781

Hebrew Date

041

Swatch Internet Time

144

Day of the year

May

Month

31

Days in month

21

Week

Tuesday

Day of the week

Time Converter


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1621987199

Converting Unix timestamp 1621987199 using our Time Converter gives us the following information:

1621987199 is representing the 144 day of the year 2021 in the Gregorian calendar, having 365 days. There are 221 days left of the year and this particular timestamp falls on a Tuesday, May 25 of week 21 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 225,772 miles (or 363,345 km) from Earth.

On this day, many notable and historically important events have taken place. But to only mention a few, in year 240 BC, first recorded Perihelion passage of Halley's Comet. And later in 567 BC Servius Tullius, the king of Rome, celebrates a triumph for his victory over the Etruscans. More recently, in 2002 China Airlines Flight 611 disintegrates in mid-air and crashes into the Taiwan Strait, with the loss of all 225 people on board.

We've also, tragically, seen a few famous deaths throughout history on this day. One notable mention is in 675 when Li Hong, Chinese prince (born in 652) passed away and in 709 when Aldhelm, English-Latin bishop, poet, and scholar (born in 639) left us. And more recently, Johnny Wactor, American actor who died in in 2024.

May 25, or 1621987199, is also a day that we should celebrate. This date marks the birth of many influential people throughout history, including Emperor Shenzong of Song (died in 1085) who was born in 1048, and later in 1320 - Toghon Temür, Mongolian emperor (died in 1370). More recently, Claire Liu, American tennis player who was born in 2000.

Conversion help

For your conveniance, we have listed the conversion syntaxes for 1621987199 timestamp to serveral of the most popular programming lanugages below.

PHP
date('Y-m-d H:i:s', 1621987199);
MySQL
select from_unixtime(1621987199);
JavaScript
new Date(1621987199*1000).toString();
C++
time_t epch = 1621987199;
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(1621987199));
Java
new SimpleDateFormat("MM/dd/yyyy HH:mm:ss").format(new Date(1621987199 * 1000L))
Ruby
require 'date'
DateTime.strptime("1621987199",'%s')
Binary
11000001 01011011 00011110 1111111
Hexadecimal
60ad8f7f

A few related timestamps to 1621987199 are:

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1609459200
End of Year
1640995199
Start of month
1619827200
End of month
1622505599
Start of day
1621900800
End fo day
1621987199
Start of hour
1621983600
End fo hour
1621987199
Start of min
1621987140
End fo min
1621987199