Public holiday in Thailand

The Queen Mother's Birthday in Thailand

The Queen Mother's Birthday is listed as a public holiday in Thailand. Use the dates below to plan ahead and check whether an observed or substitute day applies.

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The Queen Mother’s Birthday in Thailand

Thailand observes 12 August as the birthday anniversary of Queen Sirikit The Queen Mother and as National Mother’s Day. The date is also an annual public holiday, bringing together royal remembrance and a national celebration of motherhood.[1][2]

A day with two meanings

Thailand’s National Mother’s Day was first designated by the Cabinet in 1950 and fell on 15 April. After the celebration was discontinued, the National Council on Social Welfare proposed linking it to Queen Sirikit’s birthday; the Cabinet approved the change and the celebration resumed in 1976.[2]

The holiday’s meaning is specific to Thailand: the government names both the Queen Mother’s birthday anniversary and National Mother’s Day as national important days on 12 August. The date honors her legacy and her public work, including projects connected with education, Thai arts and culture, family income and conservation.[1][2]

Official observances

Official commemorations have included Buddhist chanting, alms-giving and merit-making ceremonies dedicated to the Queen Mother. Government-announced observances have also included volunteer activities for public benefit; the specific program may vary.[1][3]

Mother’s Day observances also recognize mothers and children. The National Council on Social Welfare selects mothers for “Model Mother” awards, and presents awards to people recognized for devotion to their mothers.[2]

Public holiday and practical plans

The Cabinet has confirmed 12 August as an annual public holiday. The Bank of Thailand also lists the date among financial-institution holidays, so customers should check branch arrangements and allow for bank services to be unavailable.[1][4]

A public holiday can affect plans for government services, so check the relevant office before visiting. Check individual businesses and transport operators for their schedules.

Frequently asked questions

When is the Queen Mother’s Birthday in Thailand?

It is observed every year on 12 August, which is also National Mother’s Day.[1][2]

Is it a public holiday?

Yes. The Cabinet has confirmed 12 August as an annual public holiday. Private-sector employees should check their employer’s published holiday schedule for their specific day off.[1]

Are banks closed?

The Bank of Thailand lists 12 August as a financial-institution holiday. Check with a specific bank or branch for its service arrangements.[4]

What ceremonies take place?

Official observances have included Buddhist chanting, alms-giving and merit-making ceremonies; government programs have also included volunteer public-service activities.[1][3]

Sources and references

Sources used for The Queen Mother's Birthday in Thailand:

  1. Royal Thai Government | The cabinet met on July 21, 2026.- The Secretariat of the Prime Minister, Royal Thai Government
  2. National Mother’s Day, 12 August, in Honor of Her Majesty Queen Sirikit The Queen Mother- Government Public Relations Department, Thailand
  3. รัฐบาลเตรียมจัดกิจกรรมเนื่องในวันคล้ายวันพระราชสมภพสมเด็จพระนางเจ้าสิริกิติ์ พระบรมราชินีนาถ พระบรมราชชนนีพันปีหลวง และวันแม่แห่งชาติ ๑๒ สิงหาคม ๒๕๖๙- The Secretariat of the Prime Minister, Royal Thai Government
  4. Financial Institutions Holiday- Bank of Thailand