How to correct the date and time ？

If there is a deviation in time. You need to set the correct time zone in setting.

You can check the city time zone here https://www.timeanddate.com. If the time zone is UTC -4h you need set the time zone to -4 in setting.

Then turn on the GPS in setting and go out doors to receive the GPS signal wait for about 40 seconds, once the camera receives the GPS signal (the gps icon will be solid green) the time will be automaticallt corrected.