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('2023-11-12 09:38:18.165575');

┌───────────────────────────────────────────────────┐
│ to_start_of_quarter('2023-11-12 09:38:18.165575') │
├───────────────────────────────────────────────────┤
│ 2023-10-01                                        │
└───────────────────────────────────────────────────┘