To change your own day program for multiple days, go to Operations - Time Card, select the cells and Day group actions - Change day program (or right-click - Change day program):
Time card window ready for changing the day program in Astrow Web
Change day program window opens:
Change day program window in Yearly View in Astrow Web
Replace with cycle DP:if checked, the option switches to the day program in cycle assigned to employee in employee definition on the active period in Astrow;
Change day start: if checked, the option will enable the possibility to change the start of a logical day. A logical day can be set between -23:59 and +47:59:
Choosing a value from -23:59 to -00:01, the logical day will start in the previous calendar day;
Choosing a value from +00:00 to +23:59, the logical day will start in the current calendar day;
Choosing a value from +24:00 to +47:59, the logical day will star in the next calendar day.
Change day start option in Change day program window in Yearly View in Astrow Web
Don’t forget to change the day start with the one applied for the new change, otherwise the application will take the old one!
To change the day program in multi-cell, select the desired one from the list, change the day start and save.
Changing the day program in Yearly View in Astrow Web
To switch back to the day program in the cycle assigned to employee in employee definition for the current period, just check the option Replace with cycle DP.
Changing the day program replacing with cycle DP in Yearly View in Astrow We
You can also search the day program desired by name and code. Use X to clear the search.
Use the refresh button to refresh the page.
The functionality of self changing the day program for one or multiple days is available only with ESS license and Self Change Schedule permission.
the day program desired by 
to refresh the page.