[ The PC Guide | Systems and Components Reference Guide | Motherboard and System Devices | System BIOS | BIOS Settings | Standard Settings ]

If your BIOS has this setting, enabling it will forward the time by one hour on the first Sunday in April, and drop it back by one hour on the last Sunday in October. The default value is usually "Enabled".

This setting is not present on most PCs; however, some operating systems, such as Windows 95, will do this for you automatically if you enable the daylight savings time option in their control settings.

Note: The date when daylight savings time "kicks in" can change in some cases; for example, a few years ago the spring date changed from the last Sunday in April to the first. If this happens again your BIOS will change the time on the wrong date so you will want to disable this unless a flash BIOS upgrade is made available to you that compensates.

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