Hello, I don't know if this is useful are not, but I could not find much info on the following in your files: Netherlands Antilles Johnston Atoll (U.S.) Heard and McDonald Islands French Southern Territories So I used the following for my purposes French Southern Territories +1 CET Heard and McDonald Islands +8 WST Johnston Atoll (U.S.) -10 HST Netherlands Antilles -4 AST Thanks George