Nov. 10, 2018
5:29 a.m.
On Fri 2018-11-09T22:04:35-0700 Paul Gilmartin via tz hath writ:
Subject: [tz] Was there a 1971-12-31 23:59:60?
No. There was a step of 0.107758 seconds in UTC(BIH) at 1972-01-01. This was the final sub-second step in coordinated broadcast time signals. for the step that was applied to UTC(USNO) see Time Service Announcement series 14 number 8 (1971-10-08) at https://www.ucolick.org/~sla/leapsecs/leapincept.html -- Steve Allen <sla@ucolick.org> WGS-84 (GPS) UCO/Lick Observatory--ISB 260 Natural Sciences II, Room 165 Lat +36.99855 1156 High Street Voice: +1 831 459 3046 Lng -122.06015 Santa Cruz, CA 95064 http://www.ucolick.org/~sla/ Hgt +250 m