Unix Timestamp Converter: 1621828799

Just another unix timestamp converter. Find and convert unix epoch time in different date/time formats in timezones. Easy, fast and free unix timestamp lookup. Calc unix timestamps. Search for unix time. Unixtime examples. Learn important timestamps.



Unix Timestamp Converter: 1621828799

2021-05-24 03:59:59 UTC

  • Day of Year: 143
  • Week of Year: 21
  • Month: May (31 Days)
  • Weekday: Monday (Day 1)
  • Leap Year: No

Local Time for 1621828799

What is this timestamp in your local timezone? Just choose a timezone from the dropdown list.

2021-05-24 03:59:59 UTC

Summertime / Daylight Saving Time (DST): No


Relative to 1621828799

Some important unix timestamps relative to 1621828799 (2021-05-24 03:59:59 UTC) with offsets in seconds. Dates, times and offsets are described from the UTC timezone.

Day Start 2021-05-24 1621814400 -14399 s
Tomorrow 2021-05-25 1621900800 72001 s
Yesterday 2021-05-23 1621728000 -100799 s
Last Monday 2021-05-17 1621209600 -619199 s
Next Monday 2021-05-31 1622419200 590401 s
Month Start 2021-05-01 1619827200 -2001599 s
Next Month 2021-06-01 1622505600 676801 s
Year Start 2021-01-01 1609459200 -12369599 s
Next Year 2022-01-01 1640995200 19166401 s

Convert Timestamp Programming Languages

PHP
$dt = new Datetime('{{ $timestamp }}');
echo $dt->format('r');
MySQL
select from_unixtime(table.fieldname);

... if the timestamp is in table.fieldname. You can convert the timestamp direct when you enter the number and not the field name, for example: select from_unixtime(1621828799);

Javascript
let dt = new Date(1621828799 * 1000); // JS works with milliseconds
console.log(dt.toUTCString());
Python
from datetime import datetime
print(datetime.utcfromtimestamp(1621828799).strftime('%c'))
Java
java.util.Date dt = new java.util.Date((long) 1621828799 * 1000);
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSXXX");
System.out.println(sdf.format(dt));
C#
DateTimeOffset dt = DateTimeOffset.FromUnixTimeSeconds(1621828799);
dt.ToString("F")
Convert a timestamp in Microsoft Excel
=((((A1+0)/60)/60)/24)+DATE(1970,1,1);

...if the timestamp is in field A1. The +0 is the timezone offset in seconds. Change this if you want the calc the unix timestamp for a different timezone (eg.: A1+3600).