SELECT 'parseDateTime64BestEffortUS'; SELECT s, parseDateTime64BestEffortUS(s,3,'UTC') AS a FROM ( SELECT arrayJoin([ '01-02-1930 12:00:00', '12.02.1930 12:00:00', '13/02/1930 12:00:00', '02/25/1930 12:00:00' ]) AS s) FORMAT PrettySpaceNoEscapes; SELECT ''; SELECT 'parseDateTime64BestEffortUSOrNull'; SELECT parseDateTime64BestEffortUSOrNull('01/45/1925 16:00:00',3,'UTC'); SELECT 'parseDateTime64BestEffortUSOrZero'; SELECT parseDateTime64BestEffortUSOrZero('01/45/1925 16:00:00',3,'UTC');