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Countdown

Ethereum Merge — 5th Anniversary

Wednesday, September 15, 2027 · 314 days away

GlobalAnniversaryscheduled

Countdown

Ethereum Merge — 5th Anniversary

313
Days
04
Hours
51
Min
18
Sec

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Event overview

Five years since The Merge transitioned Ethereum from Proof-of-Work to Proof-of-Stake on Sep 15, 2022 — cutting the network's energy use by ~99.95% and enabling staking yields.

Date
2027-09-15
Country / jurisdiction
Global
Region
Global
Category
Anniversary
Status
scheduled

Confirmation checklist

Before you act on this countdown

Use the timer for orientation, then run through these checks before booking, publishing, buying tickets, scheduling alerts, or moving operations around this date.

Date signal

The date is suitable for countdown use, with the source still owning late changes.

Local time

No reliable start time is attached yet, so this page stays date-first instead of implying midnight.

Calendar action

Add it to a calendar after checking the source for time, venue, or access changes.

Next useful path

Use the Anniversary and 2027 paths below to compare related countdowns before deciding what to watch next.

Source trail

Source trail for Ethereum Merge — 5th Anniversary

Verify source

Primary source

ethereum.org

Last reviewed

2026-04-30

Tracker status

scheduled

Date precision

Single-date event without a reliable public start time; date-first countdown only.

Schema posture

Event structured data is emitted because the record is single-date and scheduled or confirmed.

This is an expected date. Use reminders and monitoring, but verify the source before making travel, purchase, publication, or staffing decisions.

Primary citation

The current date signal points to ethereum.org. The source URL is shown visibly on the page so readers can verify late changes instead of relying only on the timer.

Freshness and review

Source policy was reviewed on 2026-04-30. Live countdown values are render-time snapshots; editorial source fields update when the tracked event dataset changes.

Operational detail

The record does not carry a reliable public start time yet, so the page avoids implying a midnight or all-day start.

Weak-date handling

The page can support calendar actions and Event schema, while still telling readers to check the source for operational changes.

Background

About this countdown

A detailed editorial write-up for Ethereum Merge — 5th Anniversary is being prepared. In the meantime, see the primary source for the most current information.

View source →

Date confidence

Scheduled date

Ethereum Merge — 5th Anniversary is tracked as a scheduled event. The date is suitable for countdown and calendar use, while final logistics should still be checked against the linked source.

Source

https://ethereum.org/en/roadmap/merge/
Source host
ethereum.org
Date precision
Single scheduled date from the linked source
Schema posture
Event startDate emitted because the record is single-date and scheduled/confirmed
Planning boundary
Use as a monitoring aid until the source trail is stronger

Structured data posture

This page emits Event structured data because the tracked record has a single scheduled or confirmed date. The linked source remains the final reference for time, venue, and operational changes.

Countdown evidence

Retention class

Date-first scheduled countdown

Evidence score

5/10 record signals

City-page readiness

Held to date-first

Evidence score5/10 signals present
primary source URL; tracked date; schema-safe date; place context; related event cluster
Date and schemaSchema-safe single date
Single-date event without a reliable public start time; date-first countdown only. Event structured data is emitted because the record is single-date and scheduled or confirmed.
Local-time readinessDate-first only
The record is not used as a city-local event page until it has a reliable time, timezone, and non-windowed date.
Record completeness1 concrete fields
country Global
Weak-field watchlist4 fields to improve
verified public start time; venue; manual official-source note; historical sequence
Source freshnessethereum.org; reviewed 2026-04-30
Related crawl path: Wonder Woman (DCU), Foundation Season 4, Apple iPhone 19 Event (Fall 2027), iPhone 19 Pro / Pro Max.

Planning notes

How to use this Ethereum Merge — 5th Anniversary countdown

Countdown pages are useful when they are honest about what is known, what is merely expected, and what still needs checking. This page keeps the live timer separate from the source confidence and structured-data posture.

Date confidence

Ethereum Merge — 5th Anniversary is tracked as scheduled for Wednesday, September 15, 2027; the countdown can support reminders while final logistics still belong to ethereum.org. The page can emit precise Event structured data because the tracked record has a single scheduled or confirmed date.

What could change

Watch for date shifts, venue or access updates, broadcast windows, registration rules, and source corrections. The current precision is: Single-date event without a reliable public start time; date-first countdown only..

Local-time usefulness

No reliable source start time is attached yet, so the page stays date-first and avoids implying a midnight start. 314 days remain at render time.

Category context

Ethereum Merge — 5th Anniversary sits in Anniversary with Global context. Related countdown links should help users compare similar events, not create unverified event-city pages.

Catalog-specific details

No creator, platform, league, brand, fixture, family, or alternate-name detail is attached to this event record.

Series and expectation notes

No series history, end date, or what-to-expect field is attached.

Priority note

This page is kept specific through source confidence, category, region, date precision, and update notes rather than generic countdown filler.

Verification trail

source URL https://ethereum.org/en/roadmap/merge/. trust checks: Source host: ethereum.org, Date precision: Single scheduled date from the linked source, Schema posture: Event startDate emitted because the record is single-date and scheduled/confirmed, and Planning boundary: Use as a monitoring aid until the source trail is stronger. no manual editorial context is attached yet.

Record completeness

present fields: country Global. missing or weak fields: verified public start time, venue, manual official-source note, and historical sequence

Related crawl path

Nearby retained events: Wonder Woman (DCU), Foundation Season 4, Apple iPhone 19 Event (Fall 2027), iPhone 19 Pro / Pro Max, and September Equinox 2027. These links should support topical discovery without creating unverified event-city pages.
Review boundary: this page tracks the public date signal, source link, category, region, and calendar posture. It does not replace official ticketing, exchange, broadcaster, organizer, court, regulator, or government notices.

Source reviewed Apr 30, 2026. The countdown record is intentionally labeled as scheduled or expected; use the source link and any range notes before treating the date as final.

Live values rendered at Nov 5, 7:08 PM UTC.

Related planning pages

Countdown hubAll currently tracked countdowns.Anniversary countdownsRelated events in this category.2027 countdownsEvents tracked for the same calendar year.SourcesHow we cite and review date sources.Speculative datesHow expected and windowed dates are labeled.

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Frequently asked questions

When does Ethereum Merge — 5th Anniversary start?
Ethereum Merge — 5th Anniversary is scheduled for Wednesday, September 15, 2027. A precise local start time has not been published yet; this page updates when the source confirms it.
How long until Ethereum Merge — 5th Anniversary?
Ethereum Merge — 5th Anniversary is 314 days away as of the page render. The live timer above counts down to Wednesday, September 15, 2027 second-by-second in your local time zone.
What time is Ethereum Merge — 5th Anniversary in my time zone?
Use the time-zone converter to map Wednesday, September 15, 2027 into your local zone, or pick a major city from the list above to see the exact local start time.

People also ask

When does Ethereum Merge — 5th Anniversary start?

Ethereum Merge — 5th Anniversary is scheduled for Wednesday, September 15, 2027. A precise local start time has not been published yet; this page updates when the source confirms it.

How long until Ethereum Merge — 5th Anniversary?

Ethereum Merge — 5th Anniversary is 314 days away as of the page render. The live timer above counts down to Wednesday, September 15, 2027 second-by-second in your local time zone.

What time is Ethereum Merge — 5th Anniversary in my time zone?

Use the time-zone converter to map Wednesday, September 15, 2027 into your local zone, or pick a major city from the list above to see the exact local start time.