This skill will give you a date and ask you to determine the day of the week for that date. There are several rounds that you can pass as you get better:
Round #1) Dates for this month Round #2) Dates for this year Round #3) Dates for this century Round #4) Dates between the year 1600 and 3000
See https://www.soa.org/News-and-Publications/Newsletters/Compact/2013/july/Mental-Math.aspx for a recommended method for doing the mental calculations.
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