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Question

Which of the following International Days is not correctly matched with its date of observance ?

This question was previously asked in
UPSSSC PET 2026 Question Paper (01-Nov-2026) (Shift-2)
The correct answer is

Labour Day – May 5

Each pair is checked against the internationally recognised date of the day.

International Day for the Preservation of the Ozone Layer is observed on 16 September, marking the signing of the Montreal Protocol in 1987, so that pair is correct. Human Rights Day is observed on 10 December, the date the Universal Declaration of Human Rights was adopted in 1948, so that pair is correct. Earth Day is observed on 22 April, first held in 1970, so that pair is correct.

International Labour Day (May Day) is observed on 1 May, not 5 May. Hence that pair is the mismatched one, and since one listed pair is wrong, the choice "None of the above" does not apply.

Labour Day – May 5 option is correct.

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