International calling guide
Luxembourg uses CET (UTC+1) in winter and CEST (UTC+2) in summer. Business operates Monday–Friday, 8:30 AM–5:30 PM in Luxembourg City. English, French, and German are all used in business. Best window: 9–11 AM CET/CEST on a Tuesday or Wednesday.
Luxembourg
+352 · UTC
Local Time Now
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See the live time gap between a global reference city and Luxembourg at a glance no calculator needed.
Reference
New Delhi Time Now
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Destination
Luxembourg, Luxembourg Time Now
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Luxembourg uses CET/CEST. One of Europe's wealthiest countries and a major EU financial hub — business is multilingual (French, German, Luxembourgish, English).
Pro tip: Call 9–11 AM CET/CEST on a Tuesday or Wednesday.
Luxembourg follows EU clock changes — last Sunday of March and October. Aligns with France, Germany, and Belgium.
Business hours in Luxembourg City run 8:30 AM–5:30 PM Monday–Friday. Finance sector contacts often work longer.
Luxembourg National Day on June 23 is a major public holiday. Plan outreach away from this date and the surrounding long weekend.
Luxembourg City conducts business in French, German, English, and Luxembourgish. English is increasingly the default for international outreach.
The time differences range from 8 hours ahead of UTC to 5 hours behind UTC, showcasing the diverse time zones across the globe.
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The right window doubles your answer rate. The wrong one sends you straight to voicemail.
Avoid
Call in August (summer holiday peak)
Best Window
Tue–Wed, 9–11 AM CET/CEST
Avoid
Ring on National Day (Jun 23)
Best Window
Mid-week outside public holidays
Avoid
Cold call financial sector without intro
Best Window
Scheduled, pre-arranged call
Avoid
Call after 5 PM (Luxembourg City close)
Best Window
9–11 AM CET/CEST, Tue or Wed
Smart timing isn't just courtesy it directly drives better outcomes for every call you make.
Morning calls (9–11 AM CET/CEST) on Tue–Wed in Luxembourg City double pickup vs. August dials.
2×
more pickups
Pre-arranging calls and confirming the preferred language (FR/DE/EN) shows professionalism.
+38%
connect rate
Confirmed calls see 4× more engagement than cold outreach in Luxembourg's financial sector.
4×
engagement
Calling during National Day or August sends 90% of Luxembourg calls to voicemail.
−90%
voicemail drops
Use these resources to plan every international call with confidence.
Set reminders and plan calls in advance so you never miss the optimal window.
Leverage automated analytics to identify the best call timing for every contact.
Instantly translate your local time to the recipient's timezone before dialling.
Professional outreach with automated scheduling features built into your CRM.
Four simple steps for every international call to Luxembourg dial it right, every time.
Press "+" on mobile or "00" from most landlines. This opens an international line.
Luxembourg's international code. Every call to Luxembourg must start with +352.
Add the local area or mobile network code — always drop any leading zero used for domestic calls.
Dial the remaining subscriber digits. Your number is now correctly formatted for international routing.
Jump to any country's best-time-to-call guide. Click any flag to open the full page.
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Everything you need to know about timing, time zones, and dialing Luxembourg (+352). Still have a question? Our wholesale team is one click away.
Tuesday–Wednesday, 9–11 AM CET (UTC+1) or CEST (UTC+2). Luxembourg follows Central European Time with seasonal DST. Business operates Monday–Friday, 8:30 AM–5:30 PM in Luxembourg City. Luxembourg is a major European financial hub — English, French, and German are all commonly used in business.