Most countries observe 4 seasons in a year. However India observes 6 seasons in a year. The classification of seasons into six parts is quite ancient and even observed during Vedic period. Hindu Calendar and Panchangam are based on six seasons in a year.
Notes: All timings are represented in 24-hour notation in local time of Ashburn, United States with DST adjustment (if applicable).
Hours which are past midnight are suffixed with next day date. In Panchang day starts and ends with sunrise.