Robert Haas <robertmhaas@gmail.com> writes:
> So which calendar are we using, Julian or Gregorian?
Gregorian. I fail to see anyplace that suggests we use the Julian
calendar. We do understand the Julian date system, which is something
entirely different with a confusingly similar name. (Julian dates are
just a count of days since a reference point in 4713 BC.)
regards, tom lane