Use the calculator
Pick a date and discover which ISO week and year it belongs to. The ISO week system always starts the week on Monday and keeps week 1 as the week containing January 4.
Select a date to see the ISO week number.
Chronology Lab
Determine the ISO week number and year for any date so sprint reports stay in sync internationally.
Pick a date and discover which ISO week and year it belongs to. The ISO week system always starts the week on Monday and keeps week 1 as the week containing January 4.
Many organizations align reporting and sprint planning to ISO weeks to avoid the uneven lengths of calendar months. ISO weeks keep each week inside a single year so data stays clean when exporting.