I attempted to use Python's timezone library and didn't do it correctly. In any case, it's easier to just assume UTC and add a time-delta.
<rdar://problem/71989052>
Created attachment 415448 [details] Patch
Created attachment 415463 [details] Patch
Comment on attachment 415463 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=415463&action=review rs=me > Tools/ChangeLog:51 > + Nit: extra empty line
Created attachment 415470 [details] Patch
Committed r270466: <https://trac.webkit.org/changeset/270466> All reviewed patches have been landed. Closing bug and clearing flags on attachment 415470 [details].