TO_START_OF_DAY

Rounds down a date with time (timestamp/datetime) to the start of the day.

Analyze Syntax

func.to_start_of_day(<expr>)

Analyze Examples

func.to_start_of_day('2023-11-12 09:38:18.165575')

┌────────────────────────────────────────────────────┐
│ func.to_start_of_day('2023-11-12 09:38:18.165575') │
│                     Timestamp                      │
├────────────────────────────────────────────────────┤
│ 2023-11-12 00:00:00                                │
└────────────────────────────────────────────────────┘

SQL Syntax

TO_START_OF_DAY( <expr> )

Arguments

ArgumentsDescription
<expr>timestamp

Return Type

TIMESTAMP, returns date in “YYYY-MM-DD hh:mm:ss.ffffff” format.

SQL Examples

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

┌───────────────────────────────────────────────┐
│ to_start_of_day('2023-11-12 09:38:18.165575') │
│                   Timestamp                   │
├───────────────────────────────────────────────┤
│ 2023-11-12 00:00:00                           │
└───────────────────────────────────────────────┘
Last modified June 12, 2024 at 9:53 PM EST: updating datetime functions (f087f54)