<Table> <Tr> <Th_colspan="2"> Eastern Time Zone </Th> </Tr> <Tr> <Td_colspan="2"> Eastern Time Zone </Td> </Tr> <Tr> <Th_colspan="2"> UTC offset </Th> </Tr> <Tr> <Th> EST </Th> <Td> UTC − 5: 00 </Td> </Tr> <Tr> <Th> EDT </Th> <Td> UTC − 4: 00 </Td> </Tr> <Tr> <Th_colspan="2"> Current time (Refresh the clock .) </Th> </Tr> <Tr> <Th> EDT </Th> <Td> 9: 37 am on Nov 1, 2017 </Td> </Tr> <Tr> <Th> EST </Th> <Td> 8: 37 am on Nov 1, 2017 </Td> </Tr> <Tr> <Th_colspan="2"> Observance of DST </Th> </Tr> <Tr> <Td_colspan="2"> DST is observed in certain regions of this time zone between the 2nd Sunday in March and the 1st Sunday in November . </Td> </Tr> <Tr> <Th> DST began </Th> <Td> Mar 12, 2017 </Td> </Tr> <Tr> <Th> DST ends </Th> <Td> Nov 5, 2017 </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Eastern Time Zone </Th> </Tr>

When do we set the clocks back on the east coast
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