Unix timestamp

643420799

Tue 22 May 1990 11:59:59 PM UTC

Coordinated Universal Time

Tue May 22 23:59:59 1990 UTC

In your local timezone

1990-05-22T23:59:59+00:00

ISO 8601

Tue, 22 May 1990 23:59:59 +0000

RFC 2822

2448035

Julian Date

27 Iyyar 5750

Hebrew Date

041

Swatch Internet Time

141

Day of the year

May

Month

31

Days in month

21

Week

Tuesday

Day of the week

Time Converter


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643420799

Converting Unix timestamp 643420799 using our Time Converter gives us the following information:

643420799 is representing the 141 day of the year 1990 in the Gregorian calendar, having 365 days. There are 224 days left of the year and this particular timestamp falls on a Tuesday, May 22 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 New moon phase, about 225,993 miles (or 363,700 km) from Earth.

On this day, many notable and historically important events have taken place. But to only mention a few, in year 760, fourteenth recorded perihelion passage of Halley's Comet. And later in 0760 fourteenth recorded perihelion passage of Halley's Comet. More recently, in 2021 hypothermia kills 21 runners in the 100 km (60-mile) Gansu ultramarathon disaster in China.

We've also, tragically, seen a few famous deaths throughout history on this day. One notable mention is in 192 when Dong Zhuo, Chinese warlord and politician (born 138) passed away and in 0192 when Dong Zhuo, Chinese warlord and politician (born in 138) left us. And more recently, David Wilkie, Scottish swimmer (born 1954) who died in in 2024.

May 22, or 643420799, is also a day that we should celebrate. This date marks the birth of many influential people throughout history, including Itzam K'an Ahk I, Mayan king (died in 686) who was born in 0626, and later in 626 - Itzam K'an Ahk I, Mayan king (died 686). More recently, Anthony Richardson, American football player who was born in 2002.

Conversion help

For your conveniance, we have listed the conversion syntaxes for 643420799 timestamp to serveral of the most popular programming lanugages below.

PHP
date('Y-m-d H:i:s', 643420799);
MySQL
select from_unixtime(643420799);
JavaScript
new Date(643420799*1000).toString();
C++
time_t epch = 643420799;
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(643420799));
Java
new SimpleDateFormat("MM/dd/yyyy HH:mm:ss").format(new Date(643420799 * 1000L))
Ruby
require 'date'
DateTime.strptime("643420799",'%s')
Binary
10011001 01100111 01001001 111111
Hexadecimal
2659d27f

A few related timestamps to 643420799 are:

Start of year
631152000
End of Year
662687999
Start of month
641520000
End of month
644198399
Start of day
643334400
End fo day
643420799
Start of hour
643417200
End fo hour
643420799
Start of min
643420740
End fo min
643420799