As used in this subsection, "day of service" means the day the landlord or the landlord's agent personally delivers the notice to the tenant. If personal service was not so delivered, the "day of service" means the day the notice is delivered, after posting and mailing pursuant to subsection 2, to the sheriff or constable for service if the request for service is made before noon. If the request for service by the sheriff or constable is made after noon, the "day of service" shall be deemed to be the day next following the day that the request is made for service by the sheriff or constable.
whichever is later.
NRS 40.2542