TN · 38 sample points
What Time Zone Is Jefferson County, Tennessee
Jefferson County is in Eastern Time (America/New_York). Eastern Time observes daylight saving time.
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Click a county to see its zone and the current local time.
Neighboring counties
Related: Tennessee Time Zones
Questions
What time zone is Jefferson County, Tennessee?
Jefferson County is in Eastern Time (America/New_York).
Does Jefferson County observe daylight saving time?
Eastern Time observes daylight saving time.
How many Tennessee counties share this clock?
30 of 95 counties in Tennessee use Eastern Time as their main result.
Estimates only
The percentage is a sample of the county outline, not a survey of addresses.
49 CFR Part 71 controls the legal line.