does electricity use daylight savings time do we use daylight savings time? what is the difference between utc and daylight saving time why is it a problem when you change to daylight saving daylight savings time model definition how many hours in one day does utc change time do we use daylight savings time in our load data do i need to model the time of day when do we change the time how much time is in a day compared to a year what time is the difference between a day and a day how many hours is a day compared to the day? why does it take longer to model time why do you use daylight saving time to model load data daylight saving hours do you do daylight savings time daylight saving times for load how long is one day longer in utc daylight saving time in time series modelling