Member Avatar for kcsharkster

I nned to know how to change my time to add 20 minutes, I'm in the central time zone and have selected the right time zone and daylight savings time?

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  • Latest Post Latest Post by dlh6213

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— and raised the two obvious points: UI time adjustment and a failing CMOS battery. Below are focused, practical checks that go beyond those replies and are aimed at a steady, exact offset (20 minutes) rather than gradual drift.

First, narrow the symptom: is the clock always exactly 20 minutes off, or does it slowly gain/lose time? If it is a fixed offset that does not change while the machine runs, the cause is usually a wrong reference (no sync or a bad time source) or a domain/server pushing the wrong time. If the offset grows over days, the hardware RTC or its battery is likely at fault. A quick hardware test: set the correct time, shut down and unplug the PC (or remove main battery on a laptop if comfortable), leave it powered off overnight, then boot and check the time.

Next, verify Windows time synchronization and the authoritative source. From an elevated command prompt you can check status and force a sync:

w32tm /query /status
w32tm /resync

w32tm /config /manualpeerlist:"time.windows.com pool.ntp.org" /syncfromflags:MANUAL /update
net stop w32time
net start w32time
w32tm /resync

If the PC is joined to a Windows domain, it will follow the domain controller’s time—confirm the domain controller itself is correct. Also check for third‑party time utilities, virtualization host/guest sync settings, or dual‑boot setups that change the hardware clock.

Relevant references: and Windows Time Service overview.

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Member Avatar for Catweazle

Right-click on the system tray clock and choose 'Adjust date/time'.

Member Avatar for dlh6213

Note: if your clock fails to keep time accurately, it could be an indication that your CMOS battery (the battery on your motherboard) is dying.

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