zoneinfo-right; leap seconds

Paul Eggert eggert at twinsun.com
Tue May 26 19:27:11 UTC 1998


   From: "Olson, Arthur David" <OLSONA at dc37a.nci.nih.gov>
   Date: Tue, 26 May 1998 12:10:43 -0400

   might a name more neutral than "zoneinfo-right" be better?

One possible alternative is "zoneinfo-leaps".  This would be a bit
clearer than "-right".  (The POSIX.1 limit on name length is 14 chars, alas.)

   Date: Tue, 26 May 1998 18:01:43 +0100 (BST)
   From: "Joseph S. Myers" <jsm28 at cam.ac.uk>

   What Epoch do systems that use leap seconds use?

In practice, such systems define 1972-01-01 00:00:00Z == (time_t) 63072000,
i.e. it's as if there were no leap seconds before 1972.

   do they actually use 1972-01-01 00:00:00Z - 730 days?

Yes.



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