This may have been caused by the revised schedule of Daylight Savings and your PC is not in synch or something is off with your computer clock. Please check that the date, time and time zone are set correctly.Windows 10: 

Way 1: Change them in Control Panel.

Step 1: Click the bottom-right clock icon on the desktop, and tap Change date and time settings in the pop-up small window.


Step 2: As the Date and Time window opens, click Change date and time to continue.



Tip: You can also follow the path of Control Panel/Clock, Language, and Region/Date and Time to open the above-mentioned window.


Step 3: In the Date and Time Settings window, respectively change date and time, and then tap OK to confirm the changes.



Way 2: Change date and time in PC settings.


Step 1:Access PC settings.


Step 2: Open Time and language.



Step 3: Click Change on the right to move on.



Step 4:Modify date and time, and tap Change to bring the changes into effect.




Windows 7 and 8, click on the clock icon at the bottom right hand corner of your desktop.




Then choose Change date and time settings.You will need to make sure this information is correct.



Also click Change Time Zone and make sure that "Automatically adjust clock for Daylight Savings Time" is checked.