EST/EDT to GMT/BST

Conversion table

Common times in EST/EDT and their equivalents in GMT/BST:

Table computed using a fixed reference date to keep output stable. Use the full converter for any date and time.

Common meeting times

Quick translations for typical business hours in Eastern Time:

• 9:00 AM EST/EDT→2:00 PM GMT/BST
• 12:00 PM EST/EDT→5:00 PM GMT/BST
• 3:00 PM EST/EDT→8:00 PM GMT/BST
• 5:00 PM EST/EDT→10:00 PM GMT/BST

Best time to schedule a call

The ideal window where both EST/EDT and GMT/BST are inside business hours (08:00–18:00) is 8:00 AM–1:00 PM EST/EDT, which is 1:00 PM–6:00 PM GMT/BST.

Upcoming offset transitions

At least one of these zones observes DST. The hours-apart number changes on the following dates over the next 12 months:

• Mar 9, 2026 — gap becomes +4h
• Mar 29, 2026 — gap becomes +5h
• Oct 25, 2026 — gap becomes +4h
• Nov 2, 2026 — gap becomes +5h

Sample calendar invite

Copy-paste this into your calendar event so attendees see both zones spelled out.

Subject: Sync meeting
Time: 10:00 AM EST/EDT (Eastern Time) = 3:00 PM GMT/BST (Greenwich Mean Time)
Date: Thursday, 15 January 2026
Notes: Eastern Time ↔ Greenwich Mean Time conversion handled with DST applied automatically.

About Eastern Time and Greenwich Mean Time

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Frequently asked questions

What time is it in Greenwich Mean Time when it's noon in Eastern Time?

When it's 12:00 PM EST/EDT, it's 5:00 PM GMT/BST.

What's the best time to schedule a call between EST/EDT and GMT/BST?

Business-hour overlap (08:00–18:00 in both zones) lands at 8:00 AM–1:00 PM EST/EDT, which is 1:00 PM–6:00 PM GMT/BST. Schedule inside that window for both sides to be in their working day.

Does the time difference between EST/EDT and GMT/BST change during the year?

Yes — at least one zone observes daylight saving time, so the gap shifts during the year. Upcoming transitions: Mar 9, 2026, Mar 29, 2026, Oct 25, 2026, Nov 2, 2026.

Does this converter handle daylight saving time?

Yes. All calculations use the IANA time zone database (via Luxon), so DST transitions for both Eastern Time and Greenwich Mean Time are applied automatically.