Exif does not store time zone information [1] and it would be up to the capture device to include any offsets directly in the date/time stored. Phones can do t

Exif does not store time zone information [1] and it would be up to the capture device to include any offsets directly in the date/time stored. Phones can do this because they have gps and know which time zone the photo was taken. Your bike camera may not. 1. https://indieweb.org/Exif#Timezone_Issues https://indieweb.org/Exif#Timezone_Issues