From the dashboard of your account click on your resume.
On your resume, select either of the following sections Education, Experience or Projects to prompt the calendar icon to appear.
click "From" tab to set the initial date and "To" tab to set the end of the period
You will have an option to select a year and month for the start date and then end date. For unfinished experiences, you can select the ongoing tab.
For any other queries, make sure to check out our help center.