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Time Zone Converter

GMT to ETTime Converter

Convert Greenwich Mean Time to Eastern Time, compare their live UTC offsets and explore a complete 24-hour conversion table.

Live clocksDST aware24-hour table

Live comparison

Current local times

From

GMT

Greenwich Mean Time

To

ET

Eastern Time

Enter a local date and time using GMT.

GMT

12:21 AM

Thursday, August 13, 2026

UTC+00:00Fixed offset
ET

8:21:00 PM

Wednesday, August 12, 2026

UTC-04:00Seasonal zone

Time difference

ET is 4 hours behind GMT

Hourly comparison

24-hour conversion table

Compare each hour in GMT with ET.

24 hours
HourGMTETDifference
0

12:21 AM

Thursday, August 13, 2026

8:21:00 PM

Wednesday, August 12, 2026

-4h
1

1:21 AM

Thursday, August 13, 2026

9:21:00 PM

Wednesday, August 12, 2026

-4h
2

2:21 AM

Thursday, August 13, 2026

10:21:00 PM

Wednesday, August 12, 2026

-4h
3

3:21 AM

Thursday, August 13, 2026

11:21:00 PM

Wednesday, August 12, 2026

-4h
4

4:21 AM

Thursday, August 13, 2026

12:21:00 AM

Thursday, August 13, 2026

-4h
5

5:21 AM

Thursday, August 13, 2026

1:21:00 AM

Thursday, August 13, 2026

-4h
6

6:21 AM

Thursday, August 13, 2026

2:21:00 AM

Thursday, August 13, 2026

-4h
7

7:21 AM

Thursday, August 13, 2026

3:21:00 AM

Thursday, August 13, 2026

-4h
8

8:21 AM

Thursday, August 13, 2026

4:21:00 AM

Thursday, August 13, 2026

-4h
9

9:21 AM

Thursday, August 13, 2026

5:21:00 AM

Thursday, August 13, 2026

-4h
10

10:21 AM

Thursday, August 13, 2026

6:21:00 AM

Thursday, August 13, 2026

-4h
11

11:21 AM

Thursday, August 13, 2026

7:21:00 AM

Thursday, August 13, 2026

-4h
12

12:21 PM

Thursday, August 13, 2026

8:21:00 AM

Thursday, August 13, 2026

-4h
13

1:21 PM

Thursday, August 13, 2026

9:21:00 AM

Thursday, August 13, 2026

-4h
14

2:21 PM

Thursday, August 13, 2026

10:21:00 AM

Thursday, August 13, 2026

-4h
15

3:21 PM

Thursday, August 13, 2026

11:21:00 AM

Thursday, August 13, 2026

-4h
16

4:21 PM

Thursday, August 13, 2026

12:21:00 PM

Thursday, August 13, 2026

-4h
17

5:21 PM

Thursday, August 13, 2026

1:21:00 PM

Thursday, August 13, 2026

-4h
18

6:21 PM

Thursday, August 13, 2026

2:21:00 PM

Thursday, August 13, 2026

-4h
19

7:21 PM

Thursday, August 13, 2026

3:21:00 PM

Thursday, August 13, 2026

-4h
20

8:21 PM

Thursday, August 13, 2026

4:21:00 PM

Thursday, August 13, 2026

-4h
21

9:21 PM

Thursday, August 13, 2026

5:21:00 PM

Thursday, August 13, 2026

-4h
22

10:21 PM

Thursday, August 13, 2026

6:21:00 PM

Thursday, August 13, 2026

-4h
23

11:21 PM

Thursday, August 13, 2026

7:21:00 PM

Thursday, August 13, 2026

-4h
Source time zone

About GMT

A time standard based on the mean solar time at Greenwich, London.

Full name
Greenwich Mean Time
Type
Fixed UTC offset
Regions
United Kingdom, Iceland, Western Africa
View GMT details
Target time zone

About ET

A seasonal North American time zone that automatically switches between EST and EDT.

Full name
Eastern Time
Type
Seasonal IANA time zone
Regions
United States, Canada
View ET details

Reverse this conversion

Convert ET back to GMT.

ET to GMT
FAQ

GMT to ET time FAQ

Common questions about converting Greenwich Mean Time to Eastern Time, their UTC offsets and daylight-saving behavior.

What is the time difference between GMT and ET?

ET is 4 hours behind GMT on this date.

What time is 9:00 AM GMT in ET?

When it is 9:00 AM in GMT, it is 5:00:00 AM in ET on Thursday, August 13, 2026.

Is ET ahead of GMT?

No. ET is currently 4 hours behind GMT.

Do GMT and ET use daylight saving time?

GMT is defined as a fixed UTC offset. Its offset does not change automatically according to the selected date. ET is represented by the IANA time zone America/New_York. Its active offset can change according to the date and daylight-saving rules.

Where are GMT and ET used?

GMT is associated with United Kingdom, Iceland, Western Africa. ET is associated with United States, Canada. Time-zone abbreviations can be ambiguous, so TimeInOne uses the specific definitions shown on this page.