pyspark.sql.functions.dayname#

pyspark.sql.functions.dayname(col)[source]#

Date and Timestamp Function: Returns the three-letter abbreviated day name from the given date.

New in version 4.0.0.

Parameters

colColumn or str: target date/timestamp column to work on.

Returns

Column: the three-letter abbreviation of day name for date/timestamp (Mon, Tue, Wed…)

Examples

Example 1: Basic usage of dayname function.

>>> import pyspark.sql.functions as sf
>>> df = spark.createDataFrame([('2015-04-08',)], ['dt'])
>>> df.select(sf.dayname('dt').alias('dayname')).show()
+-------+
|dayname|
+-------+
|    Wed|
+-------+