International Time Zone Database https://www.iana.org/time-zones
“Each location in the database represents a region where all clocks keeping local time have agreed since 1970” https://www.iana.org/time-zones/repository/tz-link.html …
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“Each location in the database represents a region where all clocks keeping local time have agreed since 1970” https://www.iana.org/time-zones/repository/tz-link.html …