How to batch-change time in metadata to a sequential order

[memory keeper]

I have a scanned photo collection that I batch rename in bridge as well as batch-change the date created.  Is there a way to batch-change the the time so that it is sequential?  For example, I don't want all the photos for 1986-01 to be ONE TIME, I'd like them to be 12:01, 12:02, 12:03.  As of now, I can only find how to change the time in a batch to the same time.

[Stephen Marsh]

I'm not sure if date/time metadata edits can be scripted, so it may come down to ExifTool or other capable software. Using your example, if it starts on the hour... What happens if there are more than 59 images in the batch?