Oh my! So - when z/OS uses the Time Protocol, does it make an adjustment (adding 10 seconds to the value given by the Time Protocol) or does it just use the value unadjusted?
I’m hoping someone has read the pertinent z/OS documents and just knows this answer before I go dig them up... - Dave R. - > On Oct 29, 2015, at 1:20 PM, Paul Gilmartin > <[email protected]> wrote: > > On 2015-10-29, at 11:08, Dave Rivers wrote: > >> I think your number is a little off, or at least different... >> >> I’ve been told that according to the Time Protocol in RFC 868, the value >> is -2208988800. Not sure where the extra 10 seconds is coming from. Leap >> seconds were not announced until after 1972, so it’s not that… >> >> See https://tools.ietf.org/html/rfc868 >> > At the introduction of UTC in 1972, earth rotation was already 10 seconds > behind TAI. So while UTC is now 36 seconds behind TAI, there have been > only 26 leap seconds. z/OS TOD runs 10 seconds behind TAI. Hand waving. > Etc. > > -- gil >
