Which was the day on 8 June, 2007 ?

Question

Accepted Answer

To determine the day of the week for 8 June 2007, we can use the concept of Zeller's Congruence or simply calculate it using known reference points and counting the days. Let's go through the process to justify why Option 4, Friday, is the correct answer.

### Explanation:

1. **Reference Point Method:**
   - We know that 1 January 2007 was a Monday. This is a known reference point.
   - We need to calculate the number of days from 1 January 2007 to 8 June 2007 and determine the day of the week.

2. **Counting Days:**
   - January: 31 days
   - February: 28 days (2007 was not a leap year)
   - March: 31 days
   - April: 30 days
   - May: 31 days
   - June: 8 days

Total days from 1 January to 8 June = 31 + 28 + 31 + 30 + 31 + 8 = 159 days

3. **Calculating the Day of the Week:**
   - Since 1 January 2007 was a Monday, we count forward 159 days.
   - 159 days divided by 7 (days in a week) gives us 22 weeks and 5 days.
   - Starting from Monday, adding 5 days lands us on Friday.

Thus, 8 June 2007 was indeed a Friday, confirming that Option 4 is correct.

### Why Other Options are Incorrect:

1. **Option 1: Saturday**
   - If 8 June 2007 were a Saturday, it would mean counting 6 days from Monday, which does not match our calculation of 5 days.

2. **Option 2: Wednesday**
   - If 8 June 2007 were a Wednesday, it would mean counting 3 days from Monday, which is incorrect based on our calculation.

3. **Option 3: Thursday**
   - If 8 June 2007 were a Thursday, it would mean counting 4 days from Monday, which is also incorrect according to our calculation.

Therefore, based on the above logical reasoning and calculations, Option 4, Friday, is the correct answer for the day on 8 June 2007.