[tz] [PROPOSED] Merge timezones that are alike since 1970

[Guy Harris]

On Jun 2, 2021, at 10:10 AM, Brian Inglis via tz <tz at iana.org> wrote:

> On 2021-06-01 20:42, Guy Harris via tz wrote:
> 
>> For OS purposes, times before the OS's time stamp epoch are probably of less interest than times at or after the epoch, and for many
>> OSes, even times after the epoch but before the first release of the
>> first OS to use any file system supported by the OS are of less
>> interest.
>> The UNIX epoch is probably a good dividing line between the two groups.
> 
> It can be useful to tag (touch) (scans of) historical or official documents, pictures, media with real timestamps corresponding to the date issued,

Yes, but that doesn't mean that times before the OS's time stamp are necessarily of as much interest as times at or after the epoch.  The number of files given retrospective creation or modification time stamps accessed by a given OS is probably a small fraction of all the files accessed by that OS.