CODE EXAMPLE FOR SQL

snowflake datetrunc month

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";