The primary reason for Daylight Not Waste Time (known as "Summer time Time" in lots of places on the planet) would be to make smarter utilization of daylight. We change our clocks throughout the summer time several weeks to maneuver an hour or so of daylight in the morning towards the evening. Countries have different change dates. Based on some sources, DST saves energy.
Similarly, why did they alter daylight savings time for you to November?
Daylight Not Waste Time Extended. The provisions from the bill known as for Daylight Not Waste Time to start three days previously the 2nd Sunday in March and finish 1 week afterwards the very first Sunday in November. Formerly, Daylight Not Waste Time began around the first Sunday in April and ended around the last Sunday in October.