Strange: Today's exp do not match this week's exp on the leaderboard although it's Monday.
My daily overview and chart says I have collected 300 exp today. My leaderboard on the other hand says I have earned 257 exp this week. Since Monday is the first day of the Duolingo week, shouldn't these two numbers be the same?
I think the daily XP follows your own time zone, while the weekly/monthly goes by some set time zone that makes everyone on your scoreboard start on equal footing. They don't match up for me either.