Week and Day Number for any Date

This online tool enables users to calculate the week number and day of a particular week based on a single date.

Week Number Calculator

Please select a date to ascertain the week number and the corresponding day of the week. The day’s information can be displayed directly by clicking here.

Result

Friday, 11th July 2025 is part of week 28, which runs from Monday, 7th July 2025 to Sunday, 13th July 2025.

Calculation form