You can use Boxoft Batch Photo Processor to add curent time to photos. it provides date, text and image watermark for diffrent purpose. if you want to tounch photo up, you can also use this program. select a date format build-in at will.
More detals follow below easy steps:
Launch it by double clicking its desktop icon, add some aim pictures;
On the left-right box, click "Annotate", choose a watermark effects, such as date;
According to prompt, click green arrows towards the right to start editing picture;
On pop-up box, check placement, color, time format (24h and AM/PM), "Date Format" (YY-MM-DD, MM-DD-YYYY, etc) and so on;