This setting lets an administrator read or set the device's system time expressed specifically in UTC, formatted the same way as hwLocalClock ('YYYY-MM-DD,HH:MM:SS') but representing the universal time reference rather than the local timezone-adjusted value. An administrator sets this when they want to configure the device's underlying UTC time directly, which the device then combines with its configured timezone offset to derive the local time shown elsewhere. For example, setting this to "2026-08-26,18:30:00" configures the UTC reference time the device uses, from which its local-time display would be calculated based on the configured timezone offset.