Affiliate Marketing Secrets

I solved the first 4 with a time zone map, but i can’t solve the rest..help please?
4)The surfboards awaited in Brazil were delivered to a monastery in Tokyo. They arrived Tuesday at midnight. Two hours later, a Tokyo monk called the news to the ship in Rio. What time (Rio time) did the call come?
5) The prayer books needed at the monastery went to a chocolate shop in Copenhagen. They arrived in Copenhagen at 9:00 A.M after a 9-hour trip. What time is it in Tokyo?
6)The sweet cream, which the chocolate shop had ordered, was delivered to a magic carpet shop in Algiers. It took 3 1/2 hours for the cream to be returned to Copenhagen. The shipment left Algiers at 2:00 A.M Algiers time. What time did they arrive in Copenhagen?
7) Meanwhile, the magic carpets got sent to a stock market in Hong Kong, arriving there at 3:00 P.M on a Friday after a 10-hour trip from a secret manufacturer in South Africa. What time did they leave South Africa (South Africa time)?
8) The valuable stocks that should have gone to Hong Kong got delivered to a pediatric hospital in London. They were shipped at 1:00 P.M Monday from New York and arrived 9 1/2 hours later in London. What time did they arrive in London (London Time)?
9)The Diapers intended for the pediatric hospital were delivered to a San Fransisco bagel shop (the shop was expecting cream cheese.) The diapers were shipped back to London at 3:00 P.M on a Sunday. The diapers arrived in London at 3:00 P.M on a Monday. How long did the shipping take?
10) The 600 pounds of cream cheese got delivered to the zoo in Moscow. By 7:00 A.M Wednesday morning, all the cream cheese had been eaten by the animals. Three hours later, you get the news and call San Francisco to inform them by the mistake. What time is it in San Francisco?
Best answer!