Begin of the insertion**Actual behavior**End of the insertion Begin of the deletion Actual behaviorEnd of the deletion

- Datepicker and timeline display different calendar weeks for the same day

Begin of the insertion**Expected behaviour**End of the insertion Begin of the deletion Expected behaviourEnd of the deletion

- Both should relate the same date to the same calendar week

Begin of the insertion**Preconditions**End of the insertion Begin of the deletion PreconditionsEnd of the deletion

- Begin of the insertionTheEnd of the insertion Begin of the deletion ThereEnd of the deletion account language is set to english

Begin of the insertion**StepsEnd of the insertion Begin of the deletion StepsEnd of the deletion to Begin of the insertionreproduce**End of the insertion Begin of the deletion reproduceEnd of the deletion

1. Make your the account language is set to english
2. Make sure Timelines is enabled for the current project
3. Open Timelines
4. Click on any Work package with a start and end date
5. Click Update
6. Click either into the Start Date or Due Date field (the Datepicker will appear)
7. Compare the calendar week displayed in the Datepicker with the calendarweek in the Timeline (they are off by 1)