Determination of the day of the week

The year 2025 is not a leap year. It has 52 weeks and starts on Wednesday, January 1st 2025. The Year 2025 ends on Wednesday, December 31st 2025. This Page ...

A typical application is to calculate the day of the week on which someone was born or a specific event occurred.

The week of May 10th means the whole week including that date. Normally you would use the Monday (which May 10, 2021 is) to identify the week.

This weekday calculator can find the day of the week of any date. It also gives out a few fun facts as well as the calendar of the month.

Week 33 is from Monday, August 11, 2025 until (and including) Sunday, August 17, 2025. Week number according to the ISO-8601 standard, weeks starting on ...

When you say “the week of ____”, do you put the Monday's date or the Sunday's date? (i.e. the week of 3/29 or 3/28 for the next week) I've been ...

When you need to refer to a specific week, you can pick a day that falls during that week, and call it the week of (that date).

Using week of the 10th where the 10th is monday-friday will definitely mean the week containing that date. If you use a Sunday then it could ...

The week of June 27 means the work week (Monday June 27 to Friday July 1). It can be loosely interpreted as before the start of Monday or before ...

Finds the day of the week for any date. Find out which day of the week you were born, or if the Moon landing was on a Saturday or a Sunday.