Improving datetime

[Christian Heimes]

Colin J. Williams schrieb:
> You might consider adding the Julian date
> (http://en.wikipedia.org/wiki/Julian_date).
> 
> I had a crack at this a while ago but didn't seem to get quire the right
> result, using the ACM algorithm.  I seemed to be a day out at the BC/AD
> divide.

Yes, the Julian date family is very useful when dealing with dates
before 1900. I'm +1 for adding JDT and MJD.

TAI64 is another time format used for high precision and real time
measurement. http://cr.yp.to/libtai/tai64.html

Christian