A simple, free week calculator to find week numbers for any date, determine dates from week numbers, and calculate weeks between dates. Perfect for planning and scheduling by weeks.
Privacy Note: Your date information is processed locally in your browser. We never see or store your information on our servers, ensuring complete privacy.
Our Week Calculator allows you to find the week number for any date, determine which dates fall in a specific week number, and calculate weeks between dates. It's perfect for project planning, scheduling, and understanding week-based timelines.
Simply enter your date in the calculator, and it will automatically display the corresponding week number according to ISO standards (where week 1 is the first week with at least 4 days in January).
Yes! Enter the week number and year, and the calculator will show you the start date (Monday) and end date (Sunday) of that week, making it easy to plan week-based activities.
Yes, our week calculator uses the ISO 8601 standard for week numbering, where weeks start on Monday and the first week of the year is the one containing the first Thursday of the year.
Yes, the calculator can determine the number of complete weeks between any two dates you specify, which is useful for project timelines and planning.
Yes, we take data security seriously. Your date information is processed locally in your browser and never sent to our servers. This ensures complete privacy and security of your information.
The calculator can show both complete weeks and partial days when calculating between dates, giving you precise information for your planning needs.