elasticsearch/docs/reference/esql/functions/date_format.asciidoc

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[[esql-date_format]]
=== `DATE_FORMAT`
Returns a string representation of a date in the provided format. If no format
is specified, the `yyyy-MM-dd'T'HH:mm:ss.SSSZ` format is used.
[source,esql]
----
FROM employees
| KEEP first_name, last_name, hire_date
| EVAL hired = DATE_FORMAT(hire_date, "YYYY-MM-dd")
----