Jetseen Blog
Know your numbers.
Before the border does.
Practical guides on tax residency rules, Schengen day counting, visa compliance, and tracking travel days across borders.
Schengen Guides
Does your arrival day count toward your Schengen 90 days?
Your arrival day is Day 1 and your departure day counts too. Here is the EU legal text, a worked example, and why so many travelers undercount.
ETIAS and EES: How Europe's Digital Border System Changes Travel in 2026
The EU Entry/Exit System (EES) now tracks every Schengen border crossing digitally. ETIAS launches late 2026. Here's what changes for travelers and nomads.
Schengen Visa Overstay: Fines, Entry Bans, and What Actually Happens
Overstaying the Schengen 90/180 rule can mean fines up to €3,000, entry bans of 1-5 years, and a permanent record. Here's what happens, country by country.
The Schengen 90/180 Day Rule Explained
How the rolling 180-day window works, real scenarios, overstay penalties by country, and the EES changes coming in 2026.
Do Transit Days Count Toward the Schengen 90/180 Rule?
Find out whether airport transit days count toward your Schengen 90/180-day limit, and what happens if you leave the international zone.
UAE & Middle East
UK & Europe
US & Americas
Tax Residency
Best Apps for Tracking Residency Days (2026): Full Comparison
The 7 best apps for tracking residency days in 2026, compared by tracking method, jurisdiction coverage, privacy model, and price. Jetseen, Flamingo, Domicile365, Days Monitor, TrackingDays, iReside, and Pebbles.
Tax Residency Rules by Country: Day Thresholds for Portugal, Thailand, Spain, Italy, and More
Tax residency day thresholds for 7 countries: Portugal (183 days rolling), Thailand (180), Spain (183 calendar), Italy (183), Singapore (183), Canada (183), Australia (183 fiscal year).
Dual Citizenship and Tax: Can You Be Tax Resident in Two Countries?
Yes, you can be tax resident in two countries at the same time. Here's how it happens, how tax treaties resolve it, and what dual citizens actually owe.
Rolling Window vs Calendar Year: Why Day Counting Rules Are Different Everywhere
The Schengen Area uses a rolling 180-day window. The US uses a weighted 3-year formula. Spain uses a calendar year. Here's why it matters and how each works.
Tax Residency Audit: What Authorities Check and How to Prepare
Tax authorities check passport stamps, credit cards, cell phone records, and more in residency audits. Here's exactly what they look for and how to prepare.
Digital Nomad Life
Digital Nomad Taxes: Where Do You Actually Pay? (2026 Guide)
Digital nomads owe taxes based on residency, citizenship, and where income is earned. Here's how it works in 2026, including CRS changes and the 183-day myth.
How to Track Days Across Countries for Tax Residency (And Why Most Methods Fail)
Spreadsheets break. GPS apps miss days. Here's what actually works for tracking residency days across countries, and what tax auditors accept as proof.
General
Does EES Affect Digital Nomads? What the New Schengen Border System Means for You
EES went live April 10, 2026. If you hold a digital nomad visa, the 90-day cap doesn't apply. If you're on short-stay, your days are counting in real time. Here's what changed.
EES is live: your Schengen days are counting now
EES became fully operational on 10 April 2026. Here's what changed at the border, what didn't, and what it means for your 90/180-day count.
France 183-day rule: what digital nomads and expats get wrong
France uses a relative presence test, not a 183-day threshold. Article 4B CGI has three triggers, any one of which establishes unlimited French tax liability.
Germany 183-Day Tax Residency Rule: What Digital Nomads Get Wrong
Germany can tax you as a resident without you spending 183 days there. Here is how the two-trigger framework works and where the dangerous assumptions are.
Ireland 183-day tax residency rule: what digital nomads and expats get wrong
Ireland's 183-day rule is only half the story. A second test can make you a tax resident with far fewer days. Here is how both tests work.
Multi-Country Tax Residency for FIRE Retirees: Spain, UAE, Portugal, and Thailand
Splitting time across Spain, UAE, Portugal, and Thailand means running five separate clocks at once. Here is how they interact, and where the dangerous assumptions are.
UK Statutory Residence Test: How the 183-Day Rule Really Works for Digital Nomads
The UK SRT can make you a UK tax resident with far fewer than 183 days. Here is how the three-step framework works, what the traps are, and why day counting matters.
US Substantial Presence Test: How the SPT Formula Works for Non-US Citizens
The US Substantial Presence Test uses a 3-year weighted formula, not just your current-year day count. Here is how the calculation works and when you can claim an exception.
Why GPS tracking apps miss days (and what that costs you)
GPS-based day trackers can silently fail to count days you spent in a country. Here are the four failure modes and the real cost of an undercount.
Schengen Calculator Apps vs Multi-Country Trackers: Which One Do You Need?
A decision guide for travelers tracking days across borders. When a free Schengen calculator is enough, and when you need a multi-jurisdiction tracker.
How the Schengen 90/180 rolling window actually works
The Schengen 90/180 rule is not a fixed 6-month period. It rolls every day. Here is how the calculation works, what most travelers get wrong, and how to track it.
EU Entry/Exit System (EES): what it means for your 90/180-day Schengen count
EES makes Schengen enforcement automatic. Here's what changed, what didn't, and how to track your days accurately before you fly.
Jetseen vs Flamingo vs Domicile365: which residency tracker is right for you?
A fair, fact-based comparison of three residency trackers. Find the one that fits your tracking style, privacy needs, and budget.
Schengen Day Trackers That Don't Use GPS
GPS trackers can miss days silently. Here are the manual-entry Schengen day trackers worth using if you need reliable 90/180 counts.
Spain 183-day tax residency rule: what you need to know
Spend more than 183 days in Spain in a calendar year and you may owe tax on your worldwide income. Here's exactly how the rule works.
Best Apps for Tracking UAE 183-Day Tax Residency
UAE expats need exact day counts to qualify for a TRC. Here's why spreadsheets fail and which apps actually track the UAE 183-day rule.
The EU Entry/Exit System launches April 2026: what it tracks
The EES goes live April 2026 across all Schengen countries. It tracks biometrics and calculates your days automatically.
Portugal NHR is dead. Here's what replaced it.
The NHR tax regime closed March 2025. IFICI is its replacement, with stricter rules. Here's what changed and who qualifies.
Singapore's 183-day tax rule: the concessions most people miss
Singapore uses a 183-day test for tax residency but offers 2-year and 3-year concessions that change the math. Here is how they work.
Spain's 183-day rule: when partial days count against you
Spain counts your arrival day as a full day for tax residency. Learn how the 183-day rule works, what triggers it, and how to avoid surprise tax bills.
Thailand now taxes foreign income: what changed for expats
Thailand reversed its foreign income exemption in 2024. Here's what the new rules mean for expats and digital nomads in 2026.
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