In the last half of the 20th century
scientists have made a significant discovery:
the universe has a beginning -
the Big Bang.

This knowledge leads to an exciting proposition - 
We can now create a calendar that 
counts time from the time time began.

AllTime counts all time forward from the Big Bang

Gregorian counts most time backward and some time forward

What year is it?  2004? Those who use the Gregorian calendar will tell you the year is 2004, but if you’re using the Hebrew calendar the year is 5764.  The Chinese year is 4702.  The Islamic year is 1424.  These dates are derived from arbitrarily determined points in time called epochs.  The Gregorian or Christian era epoch is the birth of Jesus; before that the most-used western epoch was the founding of the city of Rome or AUC.

The point is that it is not 2004 anymore than it is any of these or a multitude of other possible dates.  Common usage and convenience is the only reason we continue to use 2004.

Is there a better epoch date?  Well, if you wanted to use a date that would best express how much time has passed since time began, you would use a number near 13 billion. Any number around 13 billion is closer by orders of magnitude to the true age of the universe than just 2004.  

This is the fundamental basis of AllTime.

The purpose of AllTime is to popularize the use of the age of the universe and change the way people commonly think about their place in the continuum of time.  

Welcome to AllTime.

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