These step by step instructions show you how to change Windows PC time and calendar date as shown in the taskbar. A few common causes of your computer’s clock being wrong include missing a step during Windows installation, incorrect time zone input during Windows installation or your CMOS battery needs replacement.
1. In the Windows taskbar click on the time and date to display the calendar and clock. Click here for directions to show your Windows taskbar time and date if you cannot see it.
2. Choose the Change date and time settings link at the bottom of the window.
3. With the date and time tab selected, choose the Change date and time button.
4. Input the correct month by clicking on the highlighted month between the arrows.