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erjiang/offset_photo_timestamps.sh

Created March 6, 2020 02:49
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offset_photo_timestamps.sh
#!/bin/bash
# This command can fix timezone offsets for Nikon D850 RAW photos.
# Other vendors may have different date/time metadata.
# the hours offset should be the difference in hours to add to the camera's time
HOURS_OFFSET=20:00:00
# this should be the location's actual TZ offset
NEW_OFFSET=+13:00
exiftool -ModifyDate+=$HOURS_OFFSET -CreateDate+=$HOURS_OFFSET -OffsetTime=$NEW_OFFSET -OffsetTimeOriginal=$NEW_OFFSET -OffsetTimeDigitized=$NEW_OFFSET -TimeZone=$NEW_OFFSET -DateTimeOriginal+=$HOURS_OFFSET -overwrite_original *.NEF
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