CCTV Clock Synchronizer

Usually CCTV DVR Clock time is not correct. If difference is under 24 hour or 1-2day, the real time of a scene on CCTV can be assumed without great effort. But if difference is over a year or a decade, it can't be calculated with calculator or MS Office EXCEL: Because of intercalation. This app supports investigators and detectives who scan CCTV DVR again and again.