The timestamp on a comment posted on Github says "commented in 1 hour"

Just posted a comment on a Github issue thread. The relative timestamp says commented in 1 hour. On hovering, the time displayed is 1 hour into the future.

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I tried posting some other comments. I also tried editing an existing comment. They all have the same issue (On editing a comment, it says edited in 1 hour). Is this a problem on my end? If so how do I fix it?

P.S. I even tried making a comment from a different machine, suspecting incorrect PC timezone settings (even though the timezone is correct), but the issue persists.