function day(a) { var date = new Date(); var hours = date.getHours(); // If after 3pm, add 1 day if (hours >= 15) a++; var expectedDeliveryDate = addWeekdays(date, a); document.write(expectedDeliveryDate.toDateString() + ' with Standard Delivery'); } function addWeekdays(fromDate, days) { var count = 0; while (count < days) { fromDate.setDate(fromDate.getDate() + 1); if (fromDate.getDay() != 0 && fromDate.getDay() != 6) // Skip weekends count++; } return fromDate; }