DHL offers Saturday and even Sunday delivery services in certain postal codes where those days are not considered normal business days. Delivery on a weekend typically incurs an extra fee, which may be as much as $50.00 per shipment.
DHL's weekend service is also available in countries where non-business days do not fall on weekends. For instance, in some Muslim countries, Friday is normally not a business day. You may be able to opt for Friday delivery in these countries by paying the extra fee.
In addition, in some cases DHL contracts with local delivery services or local post offices to provide the last leg of the shipment delivery. In this case, delivery days are up to the carrier, and shipments may arrive on Saturday as part of normal mail or courier deliveries.