DateObjects can span dates from 1 January 4700 BC to 31 December 25000 AD, or 10847738 days. A good reference date is 23 May 1968 which should have a Julian date of 2440000. If we call GetJulian() to make sure, we find that it does, in fact, equal 2440000. Attempting to add 10847738 days to 23 May 1968 yields a Bad Date. Attempting to subtract 10847738 days from 23 May 1968 yields a Bad Date. However, adding 10847738 days to 1 January 4700 BC yields 31 December 25000 AD. Today is 4-07-1993. The next five days are: Thursday Friday Saturday Sunday Monday