A mysterious issue is affecting the default Windows NTP server (time.windows.com), according to multiple complaints coming from Reddit and Twitter users. The issue was spotted today, April 3, early in the morning, and is ongoing for at least 10 hours. The impact was felt immediately by servers that rely on the service to schedule and execute tasks. Microsoft has acknowledged the issue and quickly resolved the issue, a Microsoft representative wrote in an email. Users that rely upon the accurate time values can change their computer’s NTP servers.
Source: https://www.bleepingcomputer.com/news/microsoft/windows-ntp-time-service-sends-wrong-time-to-users-worldwide/