Q. On which of the following date/ dates, winter solstice is observed in Northern Hemisphere?

1. 21st December
2. 5th August
3. 10th January

Select the correct option from the codes given below:
Answer: Only 1
Notes: The winter solstice is an astronomical phenomenon marking the day with the shortest period of daylight and the longest night of the year. In the Northern Hemisphere, this is the December solstice and in the Southern Hemisphere this is the June solstice. 21 December is the winter solstice in the Northern Hemisphere. In the Southern Hemisphere, it is the summer solstice and the longest day of the year.