Current Time in Williamsport, United States

Looking for a different Williamsport? Other places with this name in United States: Williamsport (PA), Williamsport (MD), Williamsport (IN).

Time zone in Williamsport, United States

Williamsport, United States uses the America/New_York time zone. Its standard-time UTC offset is UTC-5, and during daylight saving time the offset is UTC-4. In January the local offset is UTC-5; in July it is UTC-4.

Williamsport, United States: population 1,051 · coordinates 39.5859°, -83.12046°.

Clock changes in Williamsport (2026)

• On Sunday, March 8, 2026, clocks go forward 1 hour (UTC-5 → UTC-4).
• On Sunday, November 1, 2026, clocks go back 1 hour (UTC-4 → UTC-5).

Time difference between Williamsport and major cities

Differences change with the seasons because daylight saving schedules differ by region — both January and July are shown. The last column shows the local time elsewhere when it is 9:00 AM in Williamsport in January.