Time in Charleston, South Carolina, United States

Time zone: EDT (UTC/GMT -04:00) — America/New_York

The local standard in Charleston is EDT — UTC-04:00, or 4 hours behind UTC. Systems that store time zones by name use America/New_York for this part of the world.

Daylight saving applies here. Clocks next move back 1 hour on Sunday, 01 November 2026, putting Charleston on EST and changing its gap to every other zone listed below.

Charleston is one of 419 United States cities here, spread over 10 time zones; do not assume the rest of the country reads the same clock.

Current gap between Charleston and cities people most often need to coordinate with. These figures already account for daylight saving where it applies.

Where the two working days actually meet, expressed in Charleston local time.

No shared working window exists with Dubai, Mumbai, Shanghai or Tokyo, so those calls have to sit outside somebody's normal hours.

Same zone, same time — each of these sits on America/New_York alongside Charleston, including through any clock change.

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