3 ms·
CST and CDT are known as a single time zone, America/Chicago, in the tz database. The tz database can convert UTC times into local Chicago time. It even accommo
by mdavidn 5y ago
CST and CDT are known as a single time zone, America/Chicago, in the tz database. The tz database can convert UTC times into local Chicago time. It even accommodates historic changes in DST law, like changes to the start date in prior years.