[["The east coast of the United States is in the Eastern Time Zone, abbreviated ETZ. Its time can be called simply Eastern Time (ET); or Eastern Daylight Time (EDT) when Daylight Saving Time is in effect; or Eastern Standard Time (EST) when it isn't.", 42.0], ["The United States east coast time zone is either E D T in the summer, or E S T in the winter", 28.0]]
what is the abbreviation for east coast time
geography,abbreviation,acronym