To schedule posts on social media using Postcron:
1. Go to postcron.com and sign in using your social media accounts like Facebook or Twitter.
2. Select the accounts you want to schedule posts for like Facebook, Twitter, etc. and add them.
3. Create your post by adding text, photos, links and scheduling the date and time for it to be posted.
4. Your scheduled post will then appear under "Future Posts" until it goes live at the scheduled date and time.
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