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EST to GMT Converter

Convert Eastern Standard Time (EST) to Greenwich Mean Time (GMT/UTC). Plan calls and meetings between the US East Coast and the UK or Europe.

Convert between Eastern Standard Time (EST/EDT, UTC-5/-4) and Greenwich Mean Time (GMT/UTC). GMT is 5 hours ahead of EST. This is one of the most common timezone conversions for transatlantic business, travel, and communication.

Tips for EST to GMT Converter

1

GMT is 5 hours ahead of EST. During EDT (March-November), the difference drops to 4 hours

2

Both the US and UK shift clocks — but on different dates, creating a few weeks where the gap is unusual

3

Best overlap for US-UK meetings: 9 AM-12 PM EST = 2-5 PM GMT

Frequently Asked Questions

What is the time difference between EST and GMT?
GMT is 5 hours ahead of EST. When it's 10:00 AM in New York (EST), it's 3:00 PM in London (GMT). During daylight saving (EDT), the gap shrinks to 4 hours — but the UK also shifts to BST, restoring the 5-hour gap for most of the DST period.
Last updated: April 2026

Data sources: Standard mathematical formulas

For informational purposes only. Not financial, medical, or legal advice. Always consult a qualified professional for decisions affecting your finances or health.

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