Anybody good with Time Zones!??? please help!!!!!!!

~Please if you could answer all of them;;;;; Im not good at time zones, and ive tried googling. doesn't work.
*List the time and day*
1)If it is 3pm Saturday in Los Angeles, what time is it in Berlin?
2)If it is 10 pm Wednesday in Berlin, what time is it in Los Angeles?
3)If it is 11 am Saturday in Berlin, what time is it in Los Angeles?
4)If it is 10 am Monday in Tokoyo, what time is it in Sioux falls,South Dakota?
5)If it is 5 am Wednesday in Bangkiok, what time is in in Christchurch?
6)If it is 9 am Thursday in MOntreal, what time is it in rio de janeiro?
7)If it is 5 am Friday in Japan, what time is it in Madagascar?
8)If it is 4 pm Saturday in Uruguay, what time is it in Stockholm?
9)If it is 4 pm Sunday in Icecland, what time is in in Greenland?
10)If it is 10 am Monday in London, what time is it in Denver?
11)If it is 6pm Tuesday in Houston, what time is it in Halifax?
12)If it is 10 am Wednesday in Santiago, what time is it in New Orleans?
13)If it is 9 pm Tuesday in Paris, what time is it in Detroit?
14)If it is 8 am Friday in Rio de Janeiro, what time is it in Lisbon?
15)If it is 1 am Tuesday in Sioux Falls South Dakota ,what time is it in Iran?

3 P.M. in Los Angeles converts to midnight in Berlin. The rest of these can easily be looked up on this site.