TO_START_OF_YEAR

Returns the first day of the year for a date or a date with time (timestamp/datetime).

Syntax

TO_START_OF_YEAR(<expr>)

Arguments

Arguments	Description
<expr>	date/timestamp

Return Type

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

Examples

SELECT
  to_start_of_year('2023-11-12 09:38:18.165575')

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