Date functions

LastDay

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The LastDay function evaluates a specified date component (i.e., year, quarter, month, or week) in a date value and returns the last date and time in that component as a timestamp.

This function isn’t compatible with all data platform connections. To check if your connection supports it, see Supported data platforms and feature compatibility.

Syntax

LastDay(date, precision)

Function arguments:

  • date (required) - the date or column containing date values from which the date component is extracted
  • precision (required) - the date component (i.e., year, quarter, month, or week) evaluated for its last date and time

Examples

LastDay([Invoice Date], "month")

Extracts the month component from the date in the Invoice Date column and returns the last date and time for that month.

LastDay(Date("2020-01-10 10:34:29"), "year")

Extracts the year component from the specified date (January 10, 2020) and returns the last date and time for that year.