endofmonth

The endofmonth function returns the end of the month containing the date, shifted by an offset, if provided.

Syntax

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    endofmonth( Date [, Offset] )

Arguments

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• Date: The input date.
• Offset: An optional number of offset months from the input date (integer, default - 0).

Returns

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A datetime representing the end of the month for the given Date value, with the offset, if specified.

Example

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This example returns 1,769,903,999.999, representing Sat Jan 31 2026 23:59:59 GMT+0000:

print monthEnd = endofmonth( datetime(2025-12-21 10:10:17), 1 )