Unix Timestamp Converter: -640728001

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: -640728001

1949-09-12 03:59:59 UTC

Day of Year: 254
Week of Year: 37
Month: September (30 Days)
Weekday: Monday (Day 1)
Leap Year: No

Local Time for -640728001

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

1949-09-12 03:59:59 UTC

Summertime / Daylight Saving Time (DST): No

Relative to -640728001

Some important unix timestamps relative to -640728001 (1949-09-12 03:59:59 UTC) with offsets in seconds. Dates, times and offsets are described from the UTC timezone.

Day Start	1949-09-12	-640742400	-14399 s
Tomorrow	1949-09-13	-640656000	72001 s
Yesterday	1949-09-11	-640828800	-100799 s
Last Monday	1949-09-05	-641347200	-619199 s
Next Monday	1949-09-19	-640137600	590401 s
Month Start	1949-09-01	-641692800	-964799 s
Next Month	1949-10-01	-639100800	1627201 s
Year Start	1949-01-01	-662688000	-21959999 s
Next Year	1950-01-01	-631152000	9576001 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(-640728001);

Javascript

let dt = new Date(-640728001 * 1000); // JS works with milliseconds
console.log(dt.toUTCString());

Python

from datetime import datetime
print(datetime.utcfromtimestamp(-640728001).strftime('%c'))

Java

java.util.Date dt = new java.util.Date((long) -640728001 * 1000);
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSXXX");
System.out.println(sdf.format(dt));

DateTimeOffset dt = DateTimeOffset.FromUnixTimeSeconds(-640728001);
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).