If its 6pm pacific:
-International Date Line West:2pm
-Midway Island, Samoa:3pm
-Hawaii:4pm
-Alaska:5pm
-Mountain Time:7pm
-Central Time:8pm
-Eastern Time:9pm
-Atlantic Time:10pm
-Newfoundland:10:30pm
-Brasilia; Buenos Aires, Georgetown, Greenland:11pm
-Mid-Atlantic:12am
-Azores, Cape Verde Islands:1am