Sep 2, 2004
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Why does Windows keep your BIOS clock on local time?
Even though Windows NT uses UTC internally, the BIOS clock stays on local time. Why is that? There are a few reasons. One is a chain of backwards compatibility. In the early days, people often dual-booted between Windows NT and MS-DOS/Windows 3.1. MS-DOS and Windows 3.1 operate on local time, so Windows NT followed sui...