You can filter alerts and search the alert table by Created attribute, which is the time when the alert was created, as sell as by Updated attribute, which is the time when the alert was updated.
To filter or search alerts by time:
Select the Alerts section in the window of the application web interface.
This opens the table of alerts.
Click the Created link to open the list of alert display periods.
Select one of the following alert display periods from the Time list:
All if you want the application to display all alerts in the table.
Last hour if you want the application to display alerts that occurred during the last hour in the table.
Last day if you want the application to display alerts that occurred during the last day in the table.
Custom range if you want the application to display alerts that occurred during the period you specify in the table.
If you have selected the Custom range event display range, do the following:
In the calendar that opens, specify the start and end dates of the alert display period.
Click Apply.
The calendar closes.
The table of alerts displays only alerts matching the filter criteria you have set.