Observance guideSource-backed

National Mother’s Day2026 · Date · History · Messages

Thailand’s Cabinet confirmed in July 2026 that 12 August every year remains National Mother’s Day, alongside the Birthday Anniversary of Queen Sirikit The Queen Mother, and remains an annual public holiday.

Annual dateReviewed 2026-09-08

About National Mother’s Day

Thailand’s National Mother’s Day is observed on 12 August, the birthday anniversary of Queen Sirikit The Queen Mother. The date remains a nationally important day and annual public holiday under the government’s current framework.

The present form dates to 1976, when the National Council on Social Welfare of Thailand proposed using Queen Sirikit’s birthday for National Mother’s Day and the Cabinet approved the proposal.

Why National Mother’s Day matters

National Mother’s Day honours mothers and maternal care while also reflecting Queen Sirikit’s long public association with social welfare, rural livelihoods, culture and family support.

Official observances commonly combine ceremonies connected with the Queen Mother’s birthday anniversary with activities recognizing mothers and exemplary family devotion.

History of National Mother’s Day

Thailand earlier observed National Mother’s Day on 15 April after Cabinet designation in 1950, but that celebration was later discontinued.

In 1976, the National Council on Social Welfare of Thailand proposed that Queen Sirikit’s birthday, 12 August, become National Mother’s Day. The Cabinet approved the proposal and the celebration was officially resumed that year.

In July 2026, following Queen Sirikit The Queen Mother’s death in 2025, the Cabinet confirmed that 12 August every year would continue as National Mother’s Day and an annual public holiday.

Institutional timeline

How the observance developed

This timeline uses documented milestones from reviewed sources. Missing stages are left out rather than guessed.

  1. Predecessor

    National Mother’s Day on 15 April

    The earlier 15 April observance was discontinued, and National Mother’s Day was officially resumed on Queen Sirikit’s 12 August birthday in 1976.

  2. Origin / proposal

    National Council on Social Welfare of Thailand

    Thai Government PRD material states that the Council proposed designating Queen Sirikit’s birthday as National Mother’s Day in 1976.

  3. Establishment

    Cabinet of Thailand

    1976 Cabinet approval of the National Mother’s Day proposal

  4. First observance

    First documented observance

    Thai Government PRD material states that National Mother’s Day was officially resumed in 1976 after Cabinet approval of the 12 August proposal.

  5. Recognition

    Confirmed that 12 August every year remains National Mother’s Day, a Thai nationally important day and an annual public holiday after Queen Sirikit The Queen Mother’s death in 2025.

    Cabinet of Thailand · 2026 designation/continuation decision for 12 August

  6. Current stewardship

    Royal Thai Government and National Council on Social Welfare of Thailand

    The government continues national ceremonies while the Council selects outstanding mothers for recognition.

Origins & establishment

What the evidence establishes

Evidence & sources ↓

Confirmed institutional roles and milestones are shown first. Details that could not be established from the reviewed sources are listed separately below.

Originator / proposerNational Council on Social Welfare of ThailandThai Government PRD material states that the Council proposed designating Queen Sirikit’s birthday as National Mother’s Day in 1976.
Proclaiming / establishing bodyCabinet of ThailandThe PRD states that the Council’s 1976 proposal was approved by the Cabinet.
Original establishing instrument / decision1976 Cabinet approval of the National Mother’s Day proposalThe reviewed source verifies Cabinet approval but does not provide a numbered resolution or decree for the 1976 action.
Original instrument adoption / decision date1976The official source establishes the year but not a precise Cabinet meeting date for the original 1976 approval.
Current facilitator / coordinatorRoyal Thai Government and National Council on Social Welfare of ThailandThe government continues national ceremonies while the Council selects outstanding mothers for recognition.
First observance1976 (current 12 August form)Thai Government PRD material states that National Mother’s Day was officially resumed in 1976 after Cabinet approval of the 12 August proposal.
Former date15 AprilThe Cabinet designated 15 April as National Mother’s Day in 1950 before that observance was later discontinued.
Why this exact date?12 August is the birthday anniversary of Queen Sirikit The Queen MotherOfficial Thai government material explicitly ties the current National Mother’s Day date to Queen Sirikit’s birthday anniversary.
1 field not established in reviewed sources
Former nameNo former official name is established; the earlier observance used the same National Mother’s Day identity.

Predecessor and precursor observances

Earlier or merged observances are kept separate from former names and later institutional actions.

PredecessorThe earlier 15 April observance was discontinued, and National Mother’s Day was officially resumed on Queen Sirikit’s 12 August birthday in 1976.National Mother’s Day on 15 April · Designated in 1950; later discontinuedThailand Government PRD explicitly describes both stages.

Later institutional actions

Later recognition, renaming, mergers or date changes are kept separate from original establishment.

RecognitionConfirmed that 12 August every year remains National Mother’s Day, a Thai nationally important day and an annual public holiday after Queen Sirikit The Queen Mother’s death in 2025.Cabinet of Thailand · 2026 designation/continuation decision for 12 August · 21 July 2026The Royal Thai Government published the Cabinet decision and linked it to prior public-holiday resolutions.
Source qualityHigh confidence
1 Primary institutional / legal2 Official organizer
View all sources ↓
Names

Also known as

Mother’s Day in Thailand

How to Observe National Mother’s Day

01

Spend time with mothers and maternal figures and express appreciation in a way that is personal and respectful.

02

Learn about the history of Thailand’s National Mother’s Day and why its current date is connected with Queen Sirikit.

03

Participate in community, school or charitable activities that support families, caregivers and maternal well-being.

04

When discussing the day internationally, distinguish Thailand’s fixed 12 August observance from Mother’s Day dates used in other countries.

National Mother’s Day Facts

Fact 01

Thailand’s National Mother’s Day is observed on 12 August.

Fact 02

An earlier National Mother’s Day was designated for 15 April in 1950 and was later discontinued.

Fact 03

The current 12 August observance was proposed by the National Council on Social Welfare of Thailand and approved by the Cabinet in 1976.

Fact 04

The date is the birthday anniversary of Queen Sirikit The Queen Mother.

Fact 05

Thailand’s Cabinet reaffirmed in 2026 that 12 August would remain National Mother’s Day and an annual public holiday.

National Mother’s Day Messages

Wishing mothers and families across Thailand a meaningful National Mother’s Day filled with gratitude, care and respect.

On Thailand’s National Mother’s Day, may every act of appreciation reflect kindness, patience and gratitude.

Honouring mothers, caregivers and the enduring value of family care on National Mother’s Day.

Classification

Topic and context

Relationships & Family →
Accuracy notes

What this page does not assume

  • Keep the source-defined country, community, organizer or institutional scope; do not silently broaden it.
  • Do not treat the title alone as proof of government recognition or public-holiday status.
  • Do not add a creator, founding story or origin claim unless the supporting evidence establishes it.
Evidence

Evidence & sources

Source policy →

Sources used across the guide are gathered here. Labels show how each source supports the page, and contextual references are kept separate from primary evidence.

Questions & connections

Understand it, compare it, then explore further

Start with the most common factual questions, then compare closely related observances and explore useful connections.

Reader questions

Frequently asked questions

When is National Mother’s Day?

12 August every year; 12 August 2026 The documented recurrence rule is: 12 August.

Does National Mother’s Day fall on the same date every year?

Yes. It uses a fixed annual date unless stronger evidence changes the pattern.

Is National Mother’s Day an official public holiday?

Within the reviewed scope, it is identified as Thailand / national important day and annual public holiday. That status is not automatically extended to other countries or jurisdictions.

Who established or recognizes National Mother’s Day?

The reviewed sources identify Cabinet of Thailand as the proclaiming or establishing body. The proposer or originator is recorded separately as National Council on Social Welfare of Thailand. Current facilitation or coordination is recorded as Royal Thai Government and National Council on Social Welfare of Thailand.

Is National Mother’s Day international or country-specific?

This observance is specific to Thailand. Its fuller verified scope is: Thailand / national important day and annual public holiday.

How is this page verified?

The factual information is checked against reviewed sources, including the date pattern, scope and institutional history. This page was checked on 2026-09-08.

When is National Mother’s Day in Thailand?

It is observed every year on 12 August.

Why does Thailand celebrate Mother’s Day on 12 August?

The date is the birthday anniversary of Queen Sirikit The Queen Mother and has been used for the current National Mother’s Day observance since 1976.

Was Mother’s Day always on 12 August in Thailand?

No. Thai government material says 15 April was designated as National Mother’s Day in 1950, the celebration was later discontinued, and it resumed on 12 August in 1976.

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