To check the operation log, go to View - Operation Log.
Operation Log window in Astrow Web
The operating buttons in Operation Log are:
Displays the operations related to bookings;
Displays the operations related to absences;
Displays the operations related to changes of day programs;
Displays the operations related to changes of cycles.
Displays the operations related to counters corrections.
Displays the operations related to visitors.
By default all log changes are selected and you can see the detailed log. If you are searching something in particular, click to deselect the log changes you don’t want to display:
Deselected log changes in Astrow Web
The following is a list of options available in Operation Log window:
A searching tool by author;
A drop-down menu for the period type you want to display.
Calendars for starting date and ending dates.
Choose the starting date (and ending date for customized periods) for a calendar displayed.
You can search through previous month or next month .
The button can help you easily select a date desired, if not the current year or month.
Navigation buttons for time periods:
moves to previous period;
moves to previous day;
current element;
moves to next day;
moves to next period.
Click whenever you change the period displayed.
Navigation buttons for pages:
moves to first page;
moves to previous page;
shows current page;
moves to next page;
moves to last page.
Use the link below to see the details of an operation.
or next month 
. 
can help you easily select a date desired, if not the current year or month.
whenever you change the period displayed.
