I occasionally get this oddity on my posts

Posted: 11 months, 4 weeks, 2 days, 9 hours, 57 minutes ago
Author: Oecolampadius

This is for one I posted moments ago. I checked the time in my computer and it is in the correct year.

Now it looks like it healed itself.

Yeah, it’s a glitch in the software. Recent posts—within the last minute or two—are sometimes stamped this way. It always corrects after a minute.