Quote Originally Posted by Forum Explorer View Post
Sure she gets the small stuff like weeks and days. But years? She just sorta labels as a long time ago.

Plus it does explain why the dates are so wonky. (What did Luna beat Sombra right before going into NMM mode?)

More serious explanation is that she doesn't bother to keep track of centuries while she's talking.
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How it happened:

THE NIGHT SHALL LAST
Luna, can we reschedule your descent into evil for next week? Somber's being a jerk again.
FINE

3 days later:
That took less time than I expected
THESE WILL BE AN AWKWARD FEW DAYS