Verkkowhen i try to find difference of time like this. Paris is typically 6 hours ahead of est [10 ]. These conversions can vary based on daylight saving time changes, so it's always. Verkkowe are experiencing having issues with oracle time zones defaulting to utc vs est for transaction reporting. Our client business operations are held in est for. Provides time zone conversions taking into account daylight saving time (dst), local time zone and accepts. Verkkobusinesses conduct transactions across different time zones. Oracle database datetime and interval data types and time zone support make it. Verkkoif you want to convert a date field from utc to est, this worked for me: Cast(from_tz(cast(date_field as timestamp), 'utc') at time zone. Verkkocreate table table_name ( open_time timestamp with time zone ); Insert into table_name values ( systimestamp at time zone.