What this feature does
The Windows Time service automatically synchronizes your computer's time with a reliable time server on a network to help improve security and performance across your network or in your organization.
Information collected, processed or transmitted
The service sends information in the form of a network packet to a reliable time server. The connection uses industry standard Network Time Protocol (NTP). By default, this service synchronizes with time.windows.com once a week. Information related to the service is stored in the Windows System event log in Event Viewer. The IP address of the time server is also stored in the Windows event log entries. Additionally, warning or error condition information related to the service is stored in the Windows System event log.
Use of information
Information is used by the Windows Time service to automatically synchronize the local computer's time with a reliable time server on the network.
Choice and control
The Windows Time service is turned on by default. You can turn this feature off or choose your preferred time source using the options provided in Date and Time in Control Panel. Turning off Windows Time Service has no direct effect on applications or other services, but without a reliable time source, the local computer’s clock may become unsynchronized with other computers on the network or Internet. Applications and services that depend on time may fail or stop working correctly if there is a significant time discrepancy between networked computers.
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