what are usps business days

what are usps business days refers to the days that the United States Postal Service operates for delivering mail and packages. USPS business days typically run from Monday through Friday, excluding federal holidays. Business days are important when calculating shipping and delivery times, as weekends and holidays are not counted in the processing of mail. USPS also offers Saturday delivery for certain services like Priority Mail, and customers can expect regular services to resume on the next available business day.