A calendar month has 31 days and starts on a Wednesday. On which day of the week does the month end?

A calendar month has 31 days and starts on a Wednesday. On which day of the week does the month end?

• A. Friday
• B. Saturday
• C. Sunday
• D. Monday

Answer: (B)

A month with 31 days has 4 full weeks (28 days) plus 3 extra days. So the last day is three days after the starting weekday. If the month begins on Wednesday, counting three days ahead lands on Saturday. Therefore, the month ends on Saturday.

A month with 31 days has 4 full weeks (28 days) plus 3 extra days. So the last day is three days after the starting weekday. If the month begins on Wednesday, counting three days ahead lands on Saturday. Therefore, the month ends on Saturday.