When is the best meeting time between EDT and GMT?

Based on standard working hours (9:00 AM – 5:00 PM), the optimal window is between 9:00 AM and 1:00 PM EDT, which corresponds to 1:00 PM and 5:00 PM in GMT (4 overlapping hours).

Why is the gap 4 hours instead of 5 hours?

Because EDT is UTC-4 during daylight saving months, placing it 4 hours behind invariant GMT (UTC+0). In winter, EST is UTC-5, making the difference 5 hours.

How do I quickly convert a specific hour between EDT and GMT?

Use the interactive 24-hour visual comparison grid above. Selecting or scrubbing any hour instantly displays the corresponding time in both time zones, with working hours color-coded and 1-click calendar sync.

When is the best meeting time between EDT and GMT?

Based on standard working hours (9:00 AM – 5:00 PM), the optimal window is between 9:00 AM and 1:00 PM EDT, which corresponds to 1:00 PM and 5:00 PM in GMT (4 overlapping hours).

Why is the gap 4 hours instead of 5 hours?

Because EDT is UTC-4 during daylight saving months, placing it 4 hours behind invariant GMT (UTC+0). In winter, EST is UTC-5, making the difference 5 hours.

How do I quickly convert a specific hour between EDT and GMT?

Use the interactive 24-hour visual comparison grid above. Selecting or scrubbing any hour instantly displays the corresponding time in both time zones, with working hours color-coded and 1-click calendar sync.

Timezone Conversion Hub

EDT to GMT Time Converter

Convert Eastern Daylight Time (EDT) to Greenwich Mean Time (GMT). GMT is 4 hours ahead of EDT during summer. Compare live clocks and plan calls.

Source Timezone

EDT — Eastern Daylight Time

UTC -4

Wednesday, September 23, 2026

15:51:56

IANA: America/New_York

DST: Observes DSTKey Hub: Eastern US

Destination Timezone

GMT — Greenwich Mean Time

UTC +1

Wednesday, September 23, 2026

20:51:56

IANA: Europe/London

Differential: 5 hours aheadKey Hub: United Kingdom

Instant Direction Toggle: Need to view the inverse time difference?

Convert GMT to EDT instead

Interactive Multi-Zone Visual Grid

Hover or drag across the hours to align schedules, discover business overlaps, and click to schedule.

Interactive Multi–Zone Visual Grid

Hover or drag across the hours to align schedules, discover business overlaps, and click to schedule.

Find time together

Wednesday, September 23, 2026

Business Hours (9am – 6pm)Shoulder HoursNight / SleepOverlap Window

Click any hour tile to select & schedule

Location & Timezone

EDT

Eastern US, Eastern Canada

• UTC -403:51:56 PM

GMT

United Kingdom, Ireland

• UTC +108:51:56 PM

Wednesday, September 23, 2026 • Selected Hour

07:00 PMEDT12:00 AMGMT+1d

Best International Meeting Overlap|Limited standard working overlap. Consider early morning or evening slots.

Quick Timezone Converter Selector

Jump to any of the 552 international timezone converter combinations in one click:

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To Timezone

Complete 24-Hour Conversion Table: EDT to GMT

Hour-by-hour cross-reference table for scheduling calls, webinars, and international broadcasts.

20:00 EDT

01:00 GMT

21:00 EDT

02:00 GMT

22:00 EDT

03:00 GMT

23:00 EDT

04:00 GMT

00:00 EDT

05:00 GMT

01:00 EDT

06:00 GMT

02:00 EDT

07:00 GMT

03:00 EDT

08:00 GMT

04:00 EDT

09:00 GMT

05:00 EDT

10:00 GMT

06:00 EDT

11:00 GMT

07:00 EDT

12:00 GMT

08:00 EDT

13:00 GMT

09:00 EDT

14:00 GMT

10:00 EDT

15:00 GMT

11:00 EDT

16:00 GMT

12:00 EDT

17:00 GMT

13:00 EDT

18:00 GMT

14:00 EDT

19:00 GMT

15:00 EDT

20:00 GMT

16:00 EDT

21:00 GMT

17:00 EDT

22:00 GMT

18:00 EDT

23:00 GMT

19:00 EDT

00:00 GMT

Popular EDT Converters

EDT to UTC EDT to EST EDT to PST EDT to CST EDT to IST EDT to CET

Popular Converters to GMT

UTC to GMT EST to GMT PST to GMT CST to GMT IST to GMT CET to GMT

Verified Chronometric Analysis

Eastern Daylight to GMT Offset Breakdown

Greenwich Mean Time (GMT) is 4 hours ahead of Eastern Daylight Time (EDT). Connecting East Coast business hubs with non-DST GMT territories (like Iceland or West Africa) offers a generous 4-hour working overlap every afternoon.

Our interactive timeline highlights shared business hours, verifies live seconds, and exports calendar invites in one click.