[tz] [PROPOSED] zic option for including data from a certain year onward

Christopher Wong christopher.wong at axis.com
Thu Mar 7 07:24:07 UTC 2019

Hi Paul,

I think it would be possible for me to do some minor change to allow seconds in UNIX time as a start time. I try to send a new patch later.

Regarding the end time, we currently don't have a use case for it and it will requires a bigger effort. However, the changes I have made will be a base for further development of the time truncation functionality mentioned in RFC 8536.

Christopher Wong

From: Paul Eggert <eggert at cs.ucla.edu>
Sent: Tuesday, March 5, 2019 20:43
To: Christopher Wong
Cc: Time Zone Mailing List
Subject: Re: [tz] [PROPOSED] zic option for including data from a certain year onward

Thanks for the suggestion. It'd be helpful to have a truncation option
for zic. However, the option should allow the user to select an
arbitrary contiguous region of time: that is, not necessarily at year
boundaries, and perhaps including an end time as well as a start time.
This would be useful for people trying to implement the time truncation
feature of Internet RFC 8536.

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