28nd of the month

Received from Linked In at 12:10 am EST on May 29 (9:10pm May 28 in PT terms)

LinkedIn is currently unavailable while we make upgrades to improve our service to you. We’ll return around 9:30pm (PT) May 28nd, 2008.

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The 28nd?

9:30 PT update: new message:

We’ll return around 9:45pm (PT) May 28th, 2008.

I like the noncommittal "Around" as a qualifier...