If you see the time on your Hikvision DVR, NVR or IP Camera is not accurate, you can refer to the below guide on how to correct it.
1) Use your PC, open the web browser - Chrome, Firefox, Sarafi, etc.
2) Enter the local IP Address of your Hikvision DVR, NVR or IP Camera in the address bar of the browser.
(Not sure of the local IP Address? Please use the Hikvision SADP software. Please check with your vendor if you still don't know how to do it.)
3) Login with your user name and password.
4) After login, refer to below image for the steps on how to change the time. Make sure you have selected the right time zone, and remember to click "Save" after you have changed the settings.