Time Difference: New York City vs. Greenwich Mean Time (GMT)

New York City operates on **Eastern Time (ET)**, which switches between two offsets from GMT/UTC:

• Standard Time (EST): **UTC−5** (≈ early Nov – mid Mar).
      When it's 12:00 PM in NYC → **5:00 PM GMT**.
• Daylight Saving Time (EDT): **UTC−4** (≈ mid Mar – early Nov).
      When it's 12:00 PM in NYC → **4:00 PM GMT**.

Current Status (2024)

As of **July 2024**, NYC is on **EDT (UTC−4)**. **GMT is 4 hours ahead.**

Key Points

• GMT (Greenwich Mean Time) = UTC+0 (no DST).
• UK uses **BST (British Summer Time = UTC+1)** in summer — so NYC is **5 hours behind London** in summer, **4 hours behind** in winter.
• Always specify **EST vs EDT** or use **UTC offsets** for precision.