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Wed Aug 20 21:46:07 2008 UTC

Epoch seconds - convert, add or subtract epoch dates

MD5 Digest
 
The Epoch occurred on January 1, 1970 at midnight, GMT. It's an important concept in most programming languages, which work with times and dates before and after the epoch. Epochs before 00:00 January 1, 1970 are negative and those after positive. The elegance of using the Epoch means dates and times can easily be compared/added or differences calculated even where dates are in different time zones.

Expressed as an integer Epoch is meaningless to the human reader. For example, the time and date right now (Wed Aug 20 21:46:07 2008 UTC) is actually: 1219268767 seconds past midnight since January 1, 1970, GMT.

ADD/SUBTRACT OR CALCULATE DIFFERENCE BETWEEN EPOCH SECONDS

Epoch:

Wed Aug 20 21:46:07 2008
 

 

Epoch:

 

RESULTS
 
1219268768

14111.91 Days
   

Wed Aug 20 21:46:08 2008

Enter epoch seconds in the two boxes labeled Epoch
Depending on what you are trying to achieve, some of these results may be meaningless.

AND/OR

CALCULATE EPOCH FROM DATE
YEAR MONTH DAY HOURS MINUTES SECONDS
   
EPOCH SECONDS: 1219268767
         
WEEKDAY: Wednesday

Note: Entering an invalid date (like March 31) will increment the month and carry over the extra days.
For example, Feb 31, 2000 will give an epoch of 951955200 which is actually Thursday, March 2, 2000


 

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