If 5 April 2030 is Friday, what day will 5 April 2031 be?
Saturday
The period from 5 April 2030 to 5 April 2031 spans exactly one year.
Since 2031 is not a leap year, this period contains \(365\) days.
Finding the day shift requires computing \(365 \mod 7\), which equals \(1\).
Adding one day to Friday gives Saturday.
Hence, 5 April 2031 will be a Saturday.
On what day did 31 December 2000 fall, if 1 January 2000 was Saturday?
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