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I have university classes until 1 am your time on Wednesday. I could do as early as 10 pm your time on Tuesday or Thursday. If those don't work, we can work something out for this weekend.
Beginning of afternoon is middle of the night for me, so maybe if I stay up 'til 2 am, it would be 11 am for you. Not quite early afternoon, but I can't really stay up later than that Fri / Sat / Sun. If that doesn't work, Sunday evening your time should work.