| Key Takeaways | |
|---|---|
|
3–5 hour window |
Most US East Coast–Europe pairings share a real, live overlap of three to five working hours a day — enough for standups, reviews, and customer calls without anyone working nights. |
|
One handoff, one owner |
Follow-the-sun coverage only works when a single team or lead owns the outcome across time zones, with a documented handoff at the end of each region's day. |
|
Ireland & Portugal lead |
English-speaking, GMT/WET-aligned talent pools give US East Coast teams the widest overlap window of any European market. |
|
No entity required |
You don't need to incorporate in the UK, Portugal, or Germany to hire there — an Employer of Record lets you put someone on payroll compliantly within days. |
|
Start with one hire |
You don't need a full regional team to test follow-the-sun coverage. One well-placed European hire is often enough to close the gap. Explore our EOR solution → |
When a US East Coast company talks about "going global," the first picture that comes to mind is usually cost — hiring where salaries stretch further. But for a growing number of teams, the real driver is time. A support queue that goes quiet at 6pm ET. A dev team that loses a full day every time a bug is filed after 5pm and not looked at until the next morning. An ops function that's always one time zone behind the customers it serves.
Follow-the-sun coverage — structuring a team so work keeps moving as one region logs off and another logs on — used to be something only large enterprises bothered with. It's now well within reach for a 20- or 50-person company, because the constraint has changed: it's no longer "can we build a team in three countries," it's "can we hire compliantly in one."
This guide breaks down the actual overlap hours between US East Coast time and the major European time zones, how to structure a handoff so nothing falls through the cracks, and which European countries give you the best coverage per hire. If you're building the operational case for your first international hire, our Employer of Record and Global Payroll guides cover the compliance side once you're ready to move.
Time zone coverage is often discussed in the abstract — "Europe is a few hours ahead" — but the planning that matters happens at the hour level. US Eastern Time (ET) sits four to five hours behind most of Europe, depending on the season and the specific country's daylight saving schedule. That gap shows up as a genuine, same-day overlap window rather than a full 24-hour split, which is exactly what makes follow-the-sun coverage practical instead of a scheduling headache.
| European region | Local time when US ET starts at 9am | Live overlap window |
|---|---|---|
| UK & Ireland (GMT/BST) | 2:00pm – 6:00pm local | 4–5 hrs |
| Western Europe (WET/WEST) — e.g. Portugal | 2:00pm – 5:00pm local | 3–4 hrs |
| Central Europe (CET/CEST) — e.g. Germany, Poland, Spain | 3:00pm – 5:00pm local | 2–3 hrs |
| Eastern Europe (EET/EEST) — e.g. Romania, Greece | 4:00pm – 5:00pm local | 1 hr, best used as a handoff window |
UK and Ireland give US East Coast teams the widest live overlap of any European market — enough room for a genuine mid-morning standup, a design review, or a customer call without either side starting before 8am or finishing after 7pm local. Central and Eastern Europe still work well for follow-the-sun coverage, but the overlap shrinks, so those hires are better suited to roles that run mostly async, with a short, well-documented handoff rather than heavy live collaboration.
Your European hire starts work around 8–9am local — while your US East Coast team is still asleep — and picks up whatever was left open the evening before. By the time your team logs on at 9am ET, your UK-based colleague has already put in a full morning. You get roughly 4–5 hours of live, same-day overlap in the early US afternoon, plus a European morning that effectively extends your coverage backward by 5–6 hours. Combined, that's close to 12 hours of continuous coverage from two people working entirely normal daytime schedules.
Before you commit to a country, map the overlap against what the role actually needs. A customer support or incident-response function benefits most from a wide overlap window, since issues need live back-and-forth. An engineering or content role that's mostly heads-down work can run further out on the clock, where the "coverage" benefit comes from extending the working day rather than from real-time collaboration.
Follow-the-sun coverage isn't just "hire someone in a different time zone and hope the schedules line up." The model that IBM popularized decades ago for global engineering teams still holds up because it rests on a few simple rules, and they apply just as well to a two-person US–Europe setup as they do to a 24-hour global support desk.
One team, one owner. Coverage breaks down fastest when the US and European sides think of themselves as separate teams handing off a baton rather than one team spread across two clocks. Assign a single owner for outcomes — a queue, a release, a client account — even if the people executing on it change by time zone.
A documented handoff, every day. The overlap window isn't just for meetings — it's when the outgoing region briefs the incoming one. That means a short written note (not just a verbal aside) covering what's open, what's blocked, and what needs attention first. Teams that skip this step tend to lose the exact information a follow-the-sun model is supposed to preserve.
Match the workflow to the overlap, not the other way around. Use the live window for anything that genuinely needs two people in the same conversation at once — a design review, a customer escalation, a planning session. Push everything else to async channels (a shared doc, a ticket, a recorded update) so the non-overlapping hours are still productive rather than just "waiting."
In a US East Coast–UK setup, that typically looks like this: your European hire starts around 8am local (3am ET) and works through the morning solo, clearing what was left open the previous US evening. By the time your East Coast team logs on at 9am ET (2pm UK), you have a four-to-five hour live window to run the day's syncs and unblock anything that needs a real conversation. Your European colleague wraps their day around 4–5pm local, leaving a short handoff note before your team's afternoon continues solo — and the cycle repeats the next morning.
The part that stalls most companies isn't the schedule — it's the paperwork. Hiring someone in the UK, Portugal, or Germany as a US company usually means either standing up a local entity (expensive and slow) or working with an Employer of Record that already has one, so your new hire is paid correctly, taxed correctly, and covered under local employment law from day one.
Slasify's EOR gets a compliant European hire onto payroll in days, not months — so your follow-the-sun plan doesn't stall on paperwork.
Not every European market offers the same trade-off between overlap hours, talent availability, and cost. Here's how the markets US East Coast teams reach for most often actually stack up.
Most companies don't need to hire across all five markets to see the benefit. A single hire in the UK, Ireland, or Portugal is usually enough to close the evening gap on its own — the case for Central or Eastern Europe tends to show up later, once you're formalizing a full follow-the-sun rotation rather than just extending coverage by a few hours.
Follow-the-sun is a way of structuring work so it keeps moving as different time zones start and end their day — one region hands off open tasks to the next as their working hours overlap, so coverage extends beyond any single team's local business hours. It was originally developed for 24/7 global software and customer support teams, but the same handoff logic works just as well for a two-region setup, like a US East Coast team paired with one European hire.
It depends on the specific country, but most pairings land between one and five hours of same-day overlap. UK and Ireland offer the widest window, at roughly four to five hours during standard business hours. Central Europe (Germany, Poland, Spain) narrows to about two to three hours, and Eastern Europe (Romania, Greece) drops to around one hour — still useful, but better suited to a brief handoff than live collaboration.
The UK and Ireland offer the best overlap, thanks to their GMT/BST time band and a four-to-five-hour live window with US East Coast hours. Portugal sits in the same time band and offers similar overlap with a different cost and talent profile. Central European markets like Poland and Germany still work well for roles that don't need as much live collaboration, since the overlap is narrower but the talent pools are strong.
No. Setting up a local entity is one option, but it's slow, expensive, and usually overkill for a single hire aimed at closing a coverage gap. Most US companies instead use an Employer of Record, which already has a registered entity in the target country and legally employs your hire on your behalf — handling local payroll, tax withholding, benefits, and employment contracts, so the person can start working within days rather than months.
The best handoffs happen during the live overlap window and are written down, not just mentioned in passing. At minimum, a handoff should cover what's currently open, what's blocked and why, and what needs attention first when the next region logs on. Teams that rely only on verbal handoffs or scattered chat messages tend to lose context — the whole point of the model is continuity, which requires a consistent, lightweight written record each day.
No — while it originated in 24/7 technical and customer support, the same logic applies to engineering, content, and operations teams that want to extend their effective working day without anyone working nights. A US East Coast company with a UK or Portugal-based hire, for example, can turn around bug fixes, content drafts, or client requests roughly half a day faster simply because someone is already working while the US team is asleep. Getting that hire onto payroll compliantly is usually the easiest part — an Employer of Record can have someone hired and paid correctly within days of you making the offer.
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