When does EDT begin and end each year?

In the US and Canada, EDT begins on the second Sunday in March when clocks spring forward one hour, and concludes on the first Sunday in November when clocks return to EST (UTC-5).

What is the time difference between EDT and London?

When London observes British Summer Time (BST, UTC+1), London is 5 hours ahead of EDT. During brief transition weeks in spring and autumn, this difference can temporarily shift to 4 hours.

How do I convert EDT to Central or Pacific Time?

EDT is 1 hour ahead of Central Daylight Time (CDT), 2 hours ahead of Mountain Daylight Time (MDT), and 3 hours ahead of Pacific Daylight Time (PDT).

When does EDT begin and end each year?

In the US and Canada, EDT begins on the second Sunday in March when clocks spring forward one hour, and concludes on the first Sunday in November when clocks return to EST (UTC-5).

What is the time difference between EDT and London?

When London observes British Summer Time (BST, UTC+1), London is 5 hours ahead of EDT. During brief transition weeks in spring and autumn, this difference can temporarily shift to 4 hours.

How do I convert EDT to Central or Pacific Time?

EDT is 1 hour ahead of Central Daylight Time (CDT), 2 hours ahead of Mountain Daylight Time (MDT), and 3 hours ahead of Pacific Daylight Time (PDT).

UTC -4EDTDST Active (Summer Time)

Eastern Daylight Time (EDT) Clock

What time is it in EDT right now? Live Eastern Daylight Time clock with seconds, UTC-4 offset, Wall Street trading hours, and seasonal DST transition dates.

12:23:30 PMEDT

Saturday, October 10, 2026

Day 283 of 2026 • Week 41

Your location vs this zone: 4 hours behind.

Convert time

Major Cities in this Zone

Live synchronized clocks

Dedicated Timezone Analysis

Live Eastern Daylight Time (UTC-4) Reference

Eastern Daylight Time (EDT, UTC-4) is the summer daylight saving schedule for eastern North America, active from March through November. Governing commercial centers from New York and Miami to Toronto and Montreal, EDT sets the standard for North American finance, technology, and media.

Use our live atomic clock to verify running seconds, check stock market open and close bells, and schedule cross-border meetings across global time zones with total confidence.

Summer Trading Hours on the NYSE and NASDAQ

Observances, offset conventions, and international coordination for Eastern Daylight Time (EDT).

Domestic and Transatlantic Overlap Windows

Observances, offset conventions, and international coordination for Eastern Daylight Time (EDT).

Timezone Specifications & Offset Anchors

Civil OffsetUTC -4

Primary IANA IDAmerica/New_York

Daylight SavingObserves Seasonal DST

Interactive MapView on World Map →

Frequently Asked Questions: Eastern Daylight Time (EDT) Clock

Common queries, time calculations, and scientific explanations

Google SERP Verified

Eastern Daylight Time (EDT) is the daylight saving time offset observed in eastern North America, anchored to UTC-4 (4 hours behind Coordinated Universal Time).