cmSysCalendarTime is a read-write display string holding the system's current date and time. Because event and alarm logs on this device (such as cmTrapEventLogTimeTag) are timestamped in calendar time, an administrator sets this object to keep the clock accurate so log entries and scheduled maintenance commands line up with real-world time. For example, after a power outage resets the clock, an operator would SET cmSysCalendarTime to the correct date and time before relying on the alarm log to diagnose when a card actually went down.