See https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/123688/testReport/org.apache.spark.sql.catalyst.util/RebaseDateTimeSuite/optimization_of_micros_rebasing___Gregorian_to_Julian/
[Github] Pull Request #28787 (MaxGekk)
[Github] Pull Request #28809 (MaxGekk)
[Github] Pull Request #28832 (MaxGekk)