If you are using the Calamari mobile app you can add/edit your working time and copy shifts for days/weeks/months ahead. You can also update the past week or month with the proper time entries.
A short video on how to do it
⚠️ To seamlessly clock in and out in real-time, track projects, and log breaks, ensure that time tracking via the mobile app is enabled.
To activate it, go to: Configuration → Methods → Mobile App → Enable Mobile App Method.