GMT To EST Converter

Use our free online GMT to EST converter tool. Convert time between Greenwich Mean Time and Eastern Standard Time instantly with accurate results.

Live

GMT (Greenwich Mean Time)

05:44 PM
Thursday, December 11, 2025
Live

EST (Eastern Standard Time)

12:44 PM
Thursday, December 11, 2025

Convert Specific Time

Choose the time you want to convert

Instant Conversion

Get real-time timezone conversions in milliseconds

Accurate Results

Precise time calculations with DST support

Global Coverage

Support for major time zones worldwide

Time Zone Information

Current Time in GMT

05:44 PM

Full Name: Greenwich Mean Time
Abbreviation: GMT
Current Date: December 11, 2025

Current Time in EST

12:44 PM

Full Name: Eastern Standard Time
Abbreviation: EST
Current Date: December 11, 2025

GMT to EST Converter – Convert Greenwich Mean Time to Eastern Time

If you're working with people across the globe, whether it's clients, remote teams, or online meetings, you'll often need to change GMT to EST. GMT is a standard time used around the world, while EST is what people on the East Coast of the U.S. use. This quick tool changes times without you having to do the math.

What's GMT?

GMT is Greenwich Mean Time. It's based on the Earth's spin as measured at the Royal Observatory in Greenwich, London. It's the base for all time zones (UTC+0), making it key for things like flying, TV, weather updates, global business, and online services.

What's EST?

EST is Eastern Standard Time. It's UTC -5 and includes big U.S. cities like New York, D.C., Boston, Miami, and Atlanta. It's common in the U.S., Canada, and some Caribbean countries. When Daylight Saving Time is in effect, EST changes to EDT (Eastern Daylight Time).

GMT vs. EST Time Change

Usually, GMT and EST are 5 hours apart. EST is always 5 hours behind GMT. Here are some examples:

GMT to EST Conversion Chart

GMTEST
12:00 PM7:00 AM
3:00 PM10:00 AM
7:00 PM2:00 PM
11:00 PM6:00 AM

Why Change GMT to EST?

People often change GMT to EST for:

How to Change GMT to EST by Hand

It’s simple to do the change:

GMT time − 5 hours = EST time

For example:

If it's 8:00 PM in GMT, it's 3:00 PM in EST.

Daylight Saving Time (DST)

When Daylight Saving Time is here, EST is switched to EDT. During this time, the GMT to EST change might shift by an hour. but for the rest of the year, it stays at a 5-hour difference.

Frequently Asked Questions (FAQ)

1. What is the main difference between GMT and EST?

GMT is 5 hours ahead of EST.

2. Does the time difference between GMT and EST change?

During EDT (summer), the difference may change slightly due to Daylight Saving Time adjustments.

3. Which US cities fall under EST?

New York, Miami, Washington DC, Boston, and Atlanta all follow Eastern Standard Time.

4. What countries use GMT?

The United Kingdom, Iceland, and several African countries use GMT as a primary reference.

5. How many hours behind GMT is EST?

EST is 5 hours behind GMT under normal circumstances.

Using a GMT to EST Converter helps you keep track of international time zones accurately. Whether you attend global meetings or manage remote workflow, converting GMT to Eastern Time becomes faster and more convenient with an online tool.