TO_START_OF_QUARTER

Rounds down a date or date with time (timestamp/datetime) to the first day of the quarter. The first day of the quarter is either 1 January, 1 April, 1 July, or 1 October. Returns the date.

Syntax

TO_START_OF_QUARTER(<expr>)

Arguments

Arguments	Description
<expr>	date/timestamp

Return Type

DATE, returns date in “YYYY-MM-DD” format.

Examples

SELECT to_start_of_quarter(to_date(18869));
+-------------------------------------+
| to_start_of_quarter(to_date(18869)) |
+-------------------------------------+
| 2021-07-01                          |
+-------------------------------------+

SELECT to_start_of_quarter(to_timestamp(1630812366));
+-----------------------------------------------+
| to_start_of_quarter(to_timestamp(1630812366)) |
+-----------------------------------------------+
| 2021-07-01                                    |
+-----------------------------------------------+