Symptoms
Assume that you use daylight saving time (DST) in SQL Server 2017 on Linux. When the America or Sao Paulo time zone is used on the Linux system, you may notice that the DST changes are not determined by SQL Server.
Resolution
This issue is fixed in the following cumulative update for SQL Server:
Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. Check out the latest cumulative updates for SQL Server:
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
References
Learn about the terminologythat Microsoft uses to describe software updates.