On Fri 2006/01/13 11:45:13 -0000, Ed Davies wrote in a message to: LEAPSECS@ROM.USNO.NAVY.MIL
>If you don't count the leap seconds then the good news is that >days are all 86 400 seconds long but the bad news is that the >real is undefined during the leap second and there's a >discontinuity (or rather, a surprising continuity in that >at some point it's 23:59:59.999999.... and a whole second and >a tiny bit later it's 00:00:00.0000....). Agreed. I would add that two occasions when you would do this is in computing UT1 and time_t. >The use of the 23:59:60 notation is described in ISO 8601. >Is it also specified in TF.460? If so, how do they relate >it to the notion of DTAI? In practice, refer to the example I gave on Jan/12. Mark Calabretta ATNF
