U.S.A. Daylight Saving Time Start / End Dates Calculator
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From 1975 Onward

U.S.A. Daylight Saving Time Start/End Dates For the Year 2021

Starts on second Sunday in March at 02:00 AM Local Time - Set ahead 1 hour

Ends on first Sunday in November at 02:00 AM Local Time - Set back 1 hour

U.S.A. Daylight Saving Time Start Date

2021      March
SunMonTueWedThuFriSat
  1 2 3 4 5 6
7 8 9 10 11 12 13
14 15 16 17 18 19 20
21 22 23 24 25 26 27
28 29 30 31      

U.S.A. Daylight Saving Time End Date

2021      November
SunMonTueWedThuFriSat
  1 2 3 4 5 6
7 8 9 10 11 12 13
14 15 16 17 18 19 20
21 22 23 24 25 26 27
28 29 30        

Duration = 238 days = 34 weeks

Jay Tanner - 2021 - v3.6