[LEAPSECS] Leap Seconds schedule prior to 1972

John Sauter John_Sauter at systemeyescomputerstore.com
Wed Apr 27 17:17:59 EDT 2016


On Wed, 2016-04-27 at 13:57 -0700, Steve Allen wrote:
> 
> ISO 8601 specifies the Gregorian calendar, and 500 years ago there
> could be nobody using the Gregorian calendar.
> 
> 500 years ago there were only a handful of clocks that had a minute
> hand, and they were not accurate to a minute a day.
> 
> Whether or not this scheme uses ISO 8601, please be sure that the
> accompanying documentation explains that it cannot correspond to
> contemporary records of 500 years ago.
> 
> --
> Steve Allen                 <sla at ucolick.org>               WGS-84
> (GPS)
> UCO/Lick Observatory--ISB   Natural Sciences II, Room
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> -122.06015
> Santa Cruz, CA 95064        http://www.ucolick.org/~sla/    Hgt +250
> m

The accompanying documentation explains at great length that this time
scale does not correspond to civil time.  It is intended for use by
historians writing about past events for a non-specialist audience.  It
is similar proleptic Gregorian, which is used by Mayan scholars who
want to describe a date using terminology that is familiar to the
general reader.
    John Sauter (John_Sauter at systemeyescomputerstore.com)
-- 
PGP fingerprint = E24A D25B E5FE 4914 A603  49EC 7030 3EA1
9A0B 511E

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