Example 1 · level 1
21 June 2027 is a Monday. What day of the week is 14 July 2027?
- Thursday
- Wednesday
- Tuesday
- Saturday
Show solution
- Days between the dates = 23.
- 23 = 3 × 7 + 2, so 2 odd days.
- Monday + 2 = Wednesday.
Answer: Wednesday
SSC & BANK EXAMS: REASONING · CALENDAR
Calendar: find the day of the week
Count the days between the dates, divide by 7: the remainder (odd days) tells how many weekdays to move. A normal year has 1 odd day, a leap year 2.
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Worked examples
Example 2 · level 2
1 May 2025 is a Thursday. What day of the week was 20 October 2024?
- Sunday
- Monday
- Wednesday
- Saturday
Show solution
- Days between the dates = 193.
- 193 = 27 × 7 + 4, so 4 odd days.
- Thursday − 4 = Sunday.
Answer: Sunday
Example 3 · level 3
14 November 2027 is a Sunday. What day of the week was 21 January 2026?
- Tuesday
- Thursday
- Saturday
- Wednesday
Show solution
- Days between the dates = 662.
- 662 = 94 × 7 + 4, so 4 odd days.
- Sunday − 4 = Wednesday.
Answer: Wednesday