It’s a really simple MT hack that sorts entries in the date-based archives in ascending, not descending order.
Descending makes sense on the index; you want to see the latest, not the oldest. But when you look at the archives it’s sort of non-intuitive to work back. You want to read oldest to newest.
The change is super-simple. Just edit your Date-Based Archive, and replace this code:
With this code:
I think you can do the same thing with category archives but I’m considering if that makes sense or not.