If you want to backdate a post on Instagram, there are a few different ways to go about it. The first way is to go to your post’s details page and select the “Date” option. You can then choose a date from the past or future. The second way is to go to your post’s timeline and select the “Date” option. You can then choose a date from the past or future. The third way is to go to your post’s comments section and select the “Date” option. You can then choose a date from the past or future. ..