It's always three hours time difference. Both places switch daylight saving time on and off at the same moment. For example, if it is Noon in New York (EST) it would be 11 AM in Kansas City (CST), 10 AM in Denver (MST) and only nine AM in Los Angeles (PST). In general the time difference between Los Angeles and New York is 3 hours. Both places observe Daylight Saving Time on the same dates each year at 2am in each location. This means that for 6 hours a year the time difference between Los Angeles and New York varies from 2 to 4 hours. For example, at 2am in New York if the clocks go back 1 hour (to -5 hours UTC/GMT) then the time difference is just 2 hours until 2am in Los Angeles (3 hours later) when the standard 3 hours difference will re-apply. Similarly, if the clocks go forward 1 hou