World Hello Day

World Hello Day: Say Hello to 10 People for Peace

Can one word make the world a little more peaceful? That is the idea behind World Hello Day, celebrated every year on November 21. The rule is wonderfully simple: say hello to at least ten people today — friends, neighbours, colleagues or complete strangers — and remind world leaders that conflicts are better solved by talking than by fighting.

📅 World Hello Day — next: Saturday, November 21, 2026Add to Google CalendarApple / Outlook (.ics)
World Hello Day at a Glance
NameWorld Hello Day
WhenEvery year on November 21
Next dateSaturday, November 21, 2026 · in 28 days
TypeInternational & World Days
Observed inWorldwide
TopicCulture & HeritageFun & Quirky
First observed1973
Founded byBrian and Michael McCormack
Hashtag#WorldHelloDay

How a Simple Greeting Became a Global Day

World Hello Day was created in 1973 by two brothers, Brian and Michael McCormack, in the United States. It was their response to the Yom Kippur War between Israel and Egypt and Syria in October that year. The brothers believed that personal communication — something as basic as a greeting — is the first step toward peace.

They mailed letters to government leaders around the world asking them to support the idea. Over the following decades the day spread to well over 100 countries, and it has been publicly endorsed by many Nobel Peace Prize winners.

Quick facts
DateNovember 21 every year
First celebrated1973
FoundersBrian McCormack and Michael McCormack
Inspired byThe 1973 Yom Kippur War
Main ideaGreet ten people; promote peace through communication
Hashtag#WorldHelloDay

A conflict often begins when people stop talking to each other. World Hello Day begins by talking again.

Say Hello Around the World

LanguageHelloPronunciation (approx.)
SpanishHolaOH-lah
FrenchBonjourbon-ZHOOR
GermanHallo / Guten TagHAH-loh / GOO-ten tahk
ItalianCiaochow
PortugueseOláoh-LAH
ArabicAs-salamu alaykum / Marhabaas-sa-LAA-mu a-LAY-kum
HindiNamastenuh-muh-STAY
BengaliNomoskar / Assalamu Alaikumno-mosh-KAR
Mandarin ChineseNǐ hǎo (你好)nee how
JapaneseKonnichiwa (こんにちは)kon-nee-chee-wah
KoreanAnnyeonghaseyo (안녕하세요)ahn-nyong-ha-say-yo
RussianZdravstvuyte (Здравствуйте)ZDRAST-vooy-tyeh
SwahiliJambo / HabariJAHM-boh
TurkishMerhabaMEHR-ha-bah
HawaiianAlohaah-LOH-hah
HebrewShalom (שלום)shah-LOHM

Where Does the Word “Hello” Come From?

“Hello” grew out of older English calls such as hallo, hollo and hullo, which were used to attract attention or call hunting dogs. It became a normal greeting in the 19th century. The telephone made it famous: Thomas Edison recommended answering calls with “hello”, while Alexander Graham Bell preferred the sailor’s “ahoy!” Edison’s choice won, and “hello” spread around the world.

Greetings Without Words

GestureWhere you might see it
HandshakeCommon in business across much of the world
BowJapan and Korea — the deeper the bow, the more respect
Wai (palms together)Thailand, Laos and Cambodia
Hand on heartMany Muslim-majority countries, especially between men and women
Cheek kissesFrance, Spain, Italy, Latin America and the Middle East
Hongi (pressing noses)Māori greeting in New Zealand
Namaste with joined palmsIndia and Nepal

Ideas to Celebrate World Hello Day

  1. Take the ten-hello challenge — greet ten people you would normally walk past.
  2. Reconnect with an old friend or relative you have not talked to in a while.
  3. Learn hello in a new language and use it with a colleague or classmate from another country.
  4. Say hello to someone who may feel lonely — an elderly neighbour, a new student or a co-worker who eats alone.
  5. Classroom activity: make a “hello wall” with greetings in every language spoken by students.
  6. Send a peace message to a local representative asking for dialogue in conflicts.

Why a Simple Hello Is Good for You

  • Short friendly interactions — even with strangers — are linked in studies to a better mood and a stronger feeling of belonging.
  • Greeting people builds trust in workplaces, schools and neighbourhoods.
  • It reduces loneliness, which health experts now treat as a serious public health issue.

👉 Spread more kindness: World Kindness Day — November 13

👉 Plan ahead: All November observances

When is World Hello Day?

World Hello Day is observed every year on November 21. Here are the dates for the coming years:

YearDateDay of the weekCountdown
2026November 21, 2026Saturdayin 28 days
2027November 21, 2027Sundayin 393 days
2028November 21, 2028Tuesdayin 759 days
2029November 21, 2029Wednesdayin 1124 days
2030November 21, 2030Thursdayin 1489 days
2031November 21, 2031Fridayin 1854 days

Common Questions

When is World Hello Day?

World Hello Day is celebrated every year on November 21.

Who founded World Hello Day?

Brothers Brian and Michael McCormack founded World Hello Day in 1973.

Why was World Hello Day created?

It was created as a response to the 1973 Yom Kippur War, to show that personal communication can help preserve peace.

How do you celebrate World Hello Day?

The simplest way is to say hello to at least ten people. Many people also learn greetings in other languages or reconnect with old friends.

Is World Hello Day an official holiday?

No. It is an informal international observance and not a public holiday in any country.