dayofyear function
Applies to:  Databricks SQL 
 Databricks Runtime
Returns the day of year of the date or timestamp. This function is a synonym for extract(DAY FORM expr).
nota
When extracting fields from a TIMESTAMP (TIMESTAMP_LTZ), the result is based on the session timezone.
Syntax
dayofyear(expr)
Arguments
- expr: A- DATE,- TIMESTAMP, or- TIMESTAMP_NTZexpression.
Returns
An INTEGER.
Examples
SQL
> SELECT dayofyear('2016-04-09');
 100