To change the cycle for one or multiple days in Yearly View from Team Manager, go to Operations - Team Manager, right-click on an employee cell and click Yearly view.
Accessing the Yearly view of an employee in Astrow Web
This will open the yearly view of the person. Select a cell and click Actions -Change cycle (or right-click - Change cycle):
Changing the day program for multiple days in Team Manager - Yearly view in Astrow Web
Change cycle window opens:
Change cycle page in Team Manager - Yearly view in Astrow Web
Click on the field to select the cycle, choose the cycle from the new list and save.
Changing cycle in Team Manager - Yearly view in Astrow Web
For more details about setting a cycle, see also Cycles List.