Batch Adjust Photos for DST with ExifTool

I always forget at least one camera when switching to/from DST, and I always forget the command for exiftool to batch-adjust the image timestamps.

For future reference:

exiftool "-DateTimeOriginal+=1:00" DIR

for going into DST, and

exiftool "-DateTimeOriginal-=1:00" DIR

for going out.

(via Petapixel)