"Часы работы нашего офиса с 9 до 18 часов, с понедельника по пятницу."
                                                                
                                                                
                                                                
                                                                
                                                                
USAGE...........................................................
System salutation (after hours). "Thank you for calling. Our    
office hours are 8 AM to 5 PM, Monday through Friday. If you    
know the extension... (etc.)."