What week of the year is it?
The current ISO week number (1–53) based on your local calendar date.
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Week of the year
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FAQ
ISO 8601 weeks start on Monday. Week 1 is the week with the year’s first Thursday.
Different regions number weeks differently. ISO weeks are a common standard for business calendars.
Yes. Some years have 53 ISO weeks.
Near midnight at timezone borders, the local date (and thus week) can differ from UTC.
Project planning, logistics, and fiscal calendars often refer to ISO week numbers.