Unix timestamp

643244400

Sun 20 May 1990 11:00:00 PM UTC

Coordinated Universal Time

Sun May 20 23:00:00 1990 UTC

In your local timezone

1990-05-20T23:00:00+00:00

ISO 8601

Sun, 20 May 1990 23:00:00 +0000

RFC 2822

2448033

Julian Date

25 Iyyar 5750

Hebrew Date

000

Swatch Internet Time

139

Day of the year

May

Month

31

Days in month

20

Week

Sunday

Day of the week

Time Converter


Convert a unix timestamp
Convert a date

643244400

Converting Unix timestamp 643244400 using our Time Converter gives us the following information:

643244400 is representing the 139 day of the year 1990 in the Gregorian calendar, having 365 days. There are 226 days left of the year and this particular timestamp falls on a Sunday, May 20 of week 20 at 23:00 UTC in the afternoon meaning that about 96% of the day has passed. At this specifc time, the moon was in its Waning crescent phase, about 228,746 miles (or 368,131 km) from Earth.

On this day, many notable and historically important events have taken place. But to only mention a few, in year 325, the First Council of Nicaea is formally opened, starting the first Ecumenical council of the Christian Church. And later in 491 empress Ariadne marries Anastasius I. The widowed Augusta is able to choose her successor for the Byzantine throne, after Zeno (late emperor) dies of Dysentery. More recently, in 1990 the first post-Communist presidential and parliamentary elections are held in Romania.

We've also, tragically, seen a few famous deaths throughout history on this day. One notable mention is in 685 when Ecgfrith of Northumbria (born in 645) passed away and in 794 when Æthelberht II, king of East Anglia left us. And more recently, Ivan Boesky, American stock trader (born in 1937) who died in in 2024.

May 20, or 643244400, is also a day that we should celebrate. This date marks the birth of many influential people throughout history, including Bonne of Luxembourg, first wife of John II of France (died in 1349) who was born in 1315, and later in 1470 - Pietro Bembo, Italian cardinal, poet, and scholar (died in 1547). More recently, Kaoru Mitoma, Japanese footballer who was born in 1997.

Conversion help

For your conveniance, we have listed the conversion syntaxes for 643244400 timestamp to serveral of the most popular programming lanugages below.

PHP
date('Y-m-d H:i:s', 643244400);
MySQL
select from_unixtime(643244400);
JavaScript
new Date(643244400*1000).toString();
C++
time_t epch = 643244400;
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(643244400));
Java
new SimpleDateFormat("MM/dd/yyyy HH:mm:ss").format(new Date(643244400 * 1000L))
Ruby
require 'date'
DateTime.strptime("643244400",'%s')
Binary
10011001 01011100 10000101 110000
Hexadecimal
26572170

A few related timestamps to 643244400 are:

Start of year
631152000
End of Year
662687999
Start of month
641520000
End of month
644198399
Start of day
643161600
End fo day
643247999
Start of hour
643244400
End fo hour
643247999
Start of min
643244400
End fo min
643244459