Current time in Portsmouth

Local time in Portsmouth

The time in Portsmouth is 4 hours behind UTC and 1 hour ahead of Columbus. The timezone in Portsmouth is Atlantic Standard Time (AST). Portsmouth is not using Daylight Saving Time (DST) but used to in the past. The last DST transition was in 1945.

Details for the time in Portsmouth

Current time	10:37 a.m.
Time zone	Atlantic Standard Time (AST)
IANA time zone	America/Dominica
Your time difference	1 hour ahead of Columbus
UTC time difference	UTC-4 4 hours behind UTC

Portsmouth Daylight Saving Time (DST)