If 12/09/1999 is a Monday, then 12/09/2003 falls on which day of the week?

Question

Question

This question was previously asked in

UP Police SI (दरोगा) Official PYP (Held On: 16 Nov 2021 Shift 3)

Answer 1

Given: 12/09/1999 is a Monday

1999 to 2003 = 3 Ordinary years + 1 Leap year

So, total odd number of days → (3 × 1) + (1 × 2) = 5

So, the day on 25th March, 2120 will be → Monday + 5 Odd days = Saturday

Hence, the correct answer is "Option 3".

Important Points

No. of odd days	Ordinary year	Leap year
No. of odd days	365 ÷ 7 = 52 weeks + 1 odd day	366 ÷ 7 = 52 weeks + 2 odd day

And,

Note : Multiple of 400 years i.e 800, 1200, 1600, 2000 will also have 0 odds days.