MediaWiki:Exif-datetimeoriginal/qqq

Exif is a format for storing metadata in image files. See this Wikipedia article and the example at the bottom of this page on Commons. The tags are explained briefly and in further detail.

The date and time when the original image data was generated. For example if it was a painting from 1773, scanned in to a computer in 2007, the datetimeoriginal would be 1773 and Exif-datetimedigitized (“Date and time of digitizing”) would have the 2007 date.