First Day Of Winter 2024 In India. The first day of winter is marked by the winter solstice, which occurs when the earth’s axis tilts farthest from the sun. It marks the sun's lowest point in the sky, signifying the beginning of winter in the north and summer in the south.

In 2024, it occurs on december 21 at 2:49 pm. The winter solstice 2024 will occur on december 21st, bringing with it the shortest day and longest night of the year.