What timezone is using the registries?

Well, I am using the mwhois (to search domains) but for sell domains I am using Enom, However I could think than all registrars is using the same timezone, because all is on InterNIC requirements, or not?
 
aaa ok, I am understanding, then the timezone of the registries is ICANN (California) seem be is GMT -8 PACIFIC TIME , is correct?
 
I asked in godaddy and say me:

GoDaddy said:
Thank you for contacting customer support. The expiration timezone would be Mountain Standard Time.

Godaddy is in Scottsdale, Arizona. And Arizona is GMT-7
and the mountain time is GMT-7 and with DST correction is GMT-6

Then I dont know really what Should I think
 
Hello,

Depends on the geogrphical location of the domain registrar.

Every domain registrar maintains the time log that is maintained in the locality.

Thank you.

Regards,
 
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