Live time-zone playbook

Best Time to Call Mauritania

Islamic Republic of Mauritania (Nouakchott, Nouadhibou, Kiffa)

222 is Mauritania's phone code, always written as +222 in full international format. Mauritania keeps a fixed Greenwich Mean Time (GMT, UTC+0) year-round with no daylight saving. The best time to call is 9:00 AM–1:00 PM Mauritania time, Tuesday to Thursday — roughly 5:00–9:00 AM US Eastern (winter), or 9:00 AM–1:00 PM UK time.

Live
Nouakchott

Mauritania

14:10

Thu, Sep 10

Open now · closes in 2h 50m

Your time

14:10

Offset

same time

  • Code+222
  • ZoneNouakchott
  • WeekMon–Fri
  • Hours08:0017:00

// Why timing matters

Why timing matters when you call Mauritania

222 is Mauritania's phone code, assigned by the ITU. Mauritania's numbering plan is refreshingly simple: an 8-digit national number with no domestic trunk prefix to add or drop — whatever the number looks like written locally is exactly what follows +222 from abroad.

Mauritania's weekend shifted in 2018 from the traditional Friday-Saturday pattern to Saturday-Sunday, aligning with Morocco, Tunisia, and Algeria and its wider economic partners. Friday itself remains a shortened working day, with most offices stopping around midday for prayers — worth knowing before scheduling a Friday call.

// Time zone

Mauritania's time zone explained

Mauritania keeps Greenwich Mean Time (GMT, UTC+0) year-round — there is no daylight saving, so the offset from Mauritania's side never changes.

Because the US and UK do shift for daylight saving while Mauritania never does, the gap narrows and widens on the other end — in UK winter, Mauritania and the UK share the exact same clock; the gap only opens once British Summer Time begins.

Worked example

When it's 11:00 AM in Nouakchott, it is 6:00 AM in New York (US winter) or 7:00 AM (US summer), 11:00 AM in London (UK winter, identical) or noon (UK summer), and 11:00 AM in Dakar (Senegal shares the identical GMT offset year-round). Mauritania runs 5 hours ahead of US Eastern in northern winter (4 in US summer), 8 hours ahead of US Pacific (7 in summer), and is the same time as the UK in UK winter (1 hour behind during British Summer Time).

// Best windows

Best call windows to reach Mauritania

Mauritania's morning-to-early-afternoon stretch — 9:00 AM–1:00 PM local — gives the best overlap with both a UK working day and the US East Coast morning.

From US Eastern (New York)

Same day

Your local

5:00–9:00 AM

In Mauritania

9:00 AM–1:00 PM GMT (morning session)

From US Central (Chicago)

Same day

Your local

4:00–8:00 AM

In Mauritania

9:00 AM–1:00 PM GMT

From US Pacific (Los Angeles)

Same day

Your local

1:00–5:00 AM

In Mauritania

9:00 AM–1:00 PM GMT

From UK (London)

Same day

Your local

9:00 AM–1:00 PM

In Mauritania

9:00 AM–1:00 PM GMT (identical, UK winter)

UK callers have the simplest job of any destination on this site during UK winter — the clocks are identical, no conversion needed at all. US Eastern callers should aim for their early morning to catch Mauritania's business day.

Winter note. Because Mauritania never observes daylight saving, all seasonal movement comes from the US and UK sides. US windows shift one hour later while US clocks run on daylight time (roughly mid-March to early November), and the UK gap opens up to a full hour during British Summer Time.

// Business hours

Business hours and work culture in Mauritania

Standard Mauritanian office hours run Monday to Thursday, roughly 8:00 AM–5:00 PM, with Friday a shortened day, typically stopping around midday for communal prayers — banks and administrative offices often keep even tighter hours, roughly 8:00 AM–1:00 PM.

Mauritania's economy centers on fishing, iron ore exports, and a growing energy sector, alongside significant international development and humanitarian activity given the country's role at the crossroads of Arab North Africa and West Africa.

The weekend itself moved to Saturday-Sunday in 2018, replacing the traditional Friday-Saturday pattern, specifically to align better with international business partners.

// Best day + season

Best day of the week and seasonal notes

Aim for Tuesday through Thursday. Mondays absorb the week's backlog and Fridays run as a shortened day ending around midday.

Mauritania's holiday calendar is predominantly Islamic, built around the lunar Hijri calendar — Eid al-Fitr, Eid al-Adha, and the Prophet's Birthday are the most significant observances, alongside the secular Independence Day (28 November).

There's no single month-long shutdown, but the days around Eid al-Fitr and Eid al-Adha bring genuine multi-day closures, and their exact dates shift roughly 10-11 days earlier each year on the Gregorian calendar.

// Holidays

Holidays to avoid

On these dates, most Mauritanian government offices and many businesses are closed. Islamic holiday dates are estimated until confirmed by official moon-sighting announcements closer to each date.

  • New Year's DayThursday, 1 January 2026
  • Eid al-FitrTuesday, 31 March 2026 · estimated
  • Labour DayFriday, 1 May 2026
  • Africa DayMonday, 25 May 2026
  • Eid al-Adha (Tabaski)Sunday 7 – Monday 8 June 2026 · estimated
  • Islamic New YearSaturday, 27 June 2026 · estimated
  • Prophet's Birthday (Mawlid)Saturday, 5 September 2026 · estimated
  • Independence DaySaturday, 28 November 2026

Independence Day (28 November) marks Mauritania's 1960 declaration of independence from France and is the country's most significant secular commemoration. Eid al-Fitr and Eid al-Adha dates are provisional until confirmed by moon-sighting closer to each date.

// Etiquette

Etiquette and language tips

Arabic is the official language, with French also widely used in business and government given Mauritania's history as a French colony — confirming language ability ahead of a call is worthwhile outside major business contexts.

Business culture is relationship-first and unhurried, consistent with wider West and North African norms — patience and personal rapport before diving into business tends to land well.

Given Mauritania's significant international development and NGO presence, many business contacts are experienced with cross-border coordination and international calling norms.

// Common mistakes

Common mistakes when calling Mauritania

  • Looking for a trunk 0 to drop. Mauritania has no domestic trunk prefix, so the 8-digit national number is dialed the same way at home and from abroad — just add +222 in front.
  • Assuming Friday is a full off day. Since 2018, Mauritania's weekend is Saturday-Sunday; Friday itself is a working day, just a shortened one ending around midday.
  • Assuming Mauritania observes daylight saving. It doesn't — Mauritania stays on GMT (UTC+0) all year, so the gap to the US or UK shifts only when their own clocks change.
  • Treating Islamic holiday dates as fixed on the Gregorian calendar. Eid al-Fitr, Eid al-Adha, and the Prophet's Birthday all follow the lunar Hijri calendar and are only confirmed close to the date via moon-sighting.
  • Confusing +222 with a neighboring West African code. Mauritania borders Western Sahara, Algeria, Mali, and Senegal, each with its own distinct country code — double-check the full three digits.

// Catch the window

How to always catch the window (and how an MCM number helps)

The simplest way to stay inside the right window is to block a standing early-morning slot — roughly 5:00–9:00 AM ET (adjust for your time zone) — as your recurring Mauritania call time, Tuesday through Thursday.

A local Mauritania +222 virtual number helps too: a familiar +222 caller ID reads as local rather than an unfamiliar international string, useful for trade, NGO field coordination, and diaspora connections. My Country Mobile provisions +222 virtual numbers that route to any device or team, worldwide, backed by a network reaching 190+ countries with 99.99% uptime.

// FAQ

Frequently asked questions

What country does the 222 phone code belong to?+

Country code +222 belongs to Mauritania, a large Northwest African nation stretching from the Atlantic coast into the Sahara, bordering Western Sahara, Algeria, Mali, and Senegal.

What is the best time to call Mauritania from the US?+

Roughly 5:00–9:00 AM US Eastern time (winter), which reaches Mauritania's 9:00 AM–1:00 PM morning working session, Tuesday to Thursday.

What time zone is Mauritania in?+

Greenwich Mean Time (GMT, UTC+0), year-round. Mauritania does not observe daylight saving.

Do I drop a leading 0 when calling Mauritania?+

No — Mauritania has no domestic trunk prefix at all, so the number is dialed the same way internationally as at home, just with +222 added in front.

Is Mauritania's weekend Friday-Saturday or Saturday-Sunday?+

Saturday-Sunday, since a 2018 reform that shifted the country's weekend to align with international business partners. Friday remains a working day, though a shortened one.

What are Mauritania's typical business hours?+

Roughly 8:00 AM–5:00 PM, Monday to Thursday, with a shortened Friday ending around midday.

Which days are best for calling Mauritania?+

Tuesday through Thursday. Mondays carry the week's backlog and Fridays run shorter.

Is Mauritania the same time as the UK?+

Yes, during UK winter — both keep GMT (UTC+0). During British Summer Time, the UK moves one hour ahead of Mauritania.

When is Mauritania's Independence Day?+

28 November, marking 1960 independence from France — the country's most significant secular commemoration.

How do I get a Mauritania phone number for calling?+

My Country Mobile provisions +222 virtual numbers that give your business a local Mauritanian caller ID and route calls to any device or team, worldwide.

// Sources

  • Time zone: general Greenwich Mean Time (GMT, UTC+0, no DST) references for Mauritania
  • Country code, 8-digit numbering plan, and 2018 weekend-shift reform: mycountrymobile.com — Mauritania country-code guide; general Mauritania business-hours references
  • Business hours: rivermate.com — Working Hours in Mauritania; lloydsbanktrade.com — Opening hours and bank holidays in Mauritania
  • Public holidays: calendarlabs.com and tallyfy.com — 2026 Mauritania Holidays; officeholidays.com — Independence Day in Mauritania 2026; verify lunar Islamic-calendar dates closer to each holiday and current company-specific hours locally.

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