select to_date('2015-05-08T23:39:20.123-07:00') as "DATE1",
date_trunc('YEAR', "DATE1") as "TRUNCATED TO YEAR",
date_trunc('MONTH', "DATE1") as "TRUNCATED TO MONTH",
date_trunc('DAY', "DATE1") as "TRUNCATED TO DAY";
select to_timestamp('2015-05-08T23:39:20.123-07:00') as "TIMESTAMP1",
date_trunc('HOUR', "TIMESTAMP1") as "TRUNCATED TO HOUR",
date_trunc('MINUTE', "TIMESTAMP1") as "TRUNCATED TO MINUTE",
date_trunc('SECOND', "TIMESTAMP1") as "TRUNCATED TO SECOND";