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How many time zones does the US have?

US time zones1. INTRODUCTION

#Question: How many time zones does the U.S. have?

According to the National Institute of Standars and Technology, the United States has 9 official time zones.

Below you can find a list with all of them.

 

2. TIME ZONES IN THE UNITED STATES

  1. Atlantic (UTC-4).
  2. Eastern (UTC-5).
  3. Central (UTC-6).
  4. Mountain (UTC-7).
  5. Pacific (UTC-8).
  6. Alaska (UTC-9).
  7. Hawaii-Aleutian (UTC-10).
  8. Samoa (UTC-11).
  9. Chamorro (UTC+10).

(*) You can check the actual time in each zone [HERE].

 

US time zones

Extension of the main USA time zones. (*) This map is missing the Atlantic, Chamorro y Samoa time zones.

 

 

3. MORE INFORMATION AND REFERENCES

  • Nist.gov – National Institute of Standars and Technology (2020). Local Time FAQs > What are the time zones in the United States?. Avaliable [HERE].
  • Time.gov – National Institute of Standars and Technology (2020). The Official U.S. time. Avaliable [HERE].
  • Maproom (2018). Map with the main time zones in the US. Image retrieved from Wikimedia Commons. Avaliable [HERE].
 

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