Function Index

DateTrunc

Truncate the date to the specified date part, e.g.”month”.

Usage

DateTrunc(<precision>, <date>, <timezone>)

precision (required) Smallest date part to preserve, chosen from “year”, “month”, “week”, “day”, “hour”, “minute”, and “second”.

date (required) Date to be truncated.

timezone (optional) Name of IANA timezone to get the date part at, e.g.”America/Los_Angeles”. When calculating a timezone, input dates are treated as UTC.

Examples

DateTrunc("hour", Date("1980-05-22 8:45:30"))
  • Returns 1980-05-22 8:00:00 discarding the “minute” and”second” components of the date.
DateTrunc("day", Date("1980-05-22 8:45:30"))
  • Returns 1980-05-22 00:00:00 discarding the time components of the date.