Mar. 9—United States Department of Energy shares unique facts about Daylight Saving Time. Daylight Saving Time of 2022 will begin at 2a.m. March 13 and end at 2 a.m. Nov. 6. 1. Why is Daylight Saving Time observed on the second Sunday of March? — While some may think it is to give farmers an extra hour of sunlight in the evenings during warmer months, Daylight Saving Time was seen as a means to…