Observance guideSource-backed

Registered Dietitian Nutritionist Day2026 · Date · History · Messages

The Academy of Nutrition and Dietetics states that Registered Dietitian Nutritionist Day is celebrated on the second Wednesday in March during National Nutrition Month.

Moves by calendar ruleReviewed 2026-09-19

About Registered Dietitian Nutritionist Day

Registered Dietitian Nutritionist Day recognizes registered dietitian nutritionists and the work they do across health care, education, food systems, public health, research and other settings.

The Academy of Nutrition and Dietetics observes RDN Day annually on the second Wednesday of March during National Nutrition Month.

Why Registered Dietitian Nutritionist Day matters

The day is professional recognition: it highlights the role of trained nutrition and dietetics practitioners and public understanding of their work.

It is not a general public holiday, and celebrating the profession does not turn general observance information into personalized nutrition or medical advice.

History of Registered Dietitian Nutritionist Day

The Academy says Registered Dietitian Nutritionist Day was created in 2007 to recognize the contributions of RDNs.

Academy-affiliated material records the first Registered Dietitian Day celebration in 2008.

The Academy’s current materials place the observance on the second Wednesday of March as part of National Nutrition Month.

Institutional timeline

How the observance developed

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

  1. Origin / proposal

    Academy of Nutrition and Dietetics (then the American Dietetic Association)

    The Academy states that it created the day in 2007.

  2. Establishment

    Academy of Nutrition and Dietetics

    The professional association created and maintains the observance.

  3. First observance

    First documented observance

    Academy-affiliated material states that the first Registered Dietitian Day was celebrated in 2008.

  4. Current stewardship

    Academy of Nutrition and Dietetics

    The Academy continues to promote RDN Day during National Nutrition Month.

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 / proposerAcademy of Nutrition and Dietetics (then the American Dietetic Association)The Academy states that it created the day in 2007.
Proclaiming / establishing bodyAcademy of Nutrition and DieteticsThe professional association created and maintains the observance.
Current facilitator / coordinatorAcademy of Nutrition and DieteticsThe Academy continues to promote RDN Day during National Nutrition Month.
First observance2008Academy-affiliated material states that the first Registered Dietitian Day was celebrated in 2008.
Former nameRegistered Dietitian DayEarlier Academy-affiliated material uses Registered Dietitian Day before the current Registered Dietitian Nutritionist Day wording.
4 fields not established in reviewed sources
Original establishing instrument / decisionThe observance is an association-created professional recognition day rather than a statutory observance.
Original instrument adoption / decision dateNo legal establishing instrument applies.
Former dateNo superseded recurrence rule is established in the reviewed material.
Why this exact date?The second-Wednesday rule is verified, but the reviewed sources do not state why that weekday rule was selected.
Source qualityHigh confidence
3 Official organizer
View all sources ↓

How to Observe Registered Dietitian Nutritionist Day

01

Thank an RDN whose work has helped your school, workplace, health service or community.

02

Learn what the RDN credential represents and how dietetics professionals work in different practice settings.

03

Share accurate, credential-aware information about nutrition professionals rather than repeating unsupported diet claims.

04

For individual dietary or medical needs, seek guidance from an appropriately qualified professional who can consider your circumstances.

Registered Dietitian Nutritionist Day Facts

Fact 01

RDN Day is observed on the second Wednesday of March.

Fact 02

The Academy of Nutrition and Dietetics says it created the day in 2007.

Fact 03

The first Registered Dietitian Day was celebrated in 2008 according to Academy-affiliated material.

Fact 04

The observance takes place during National Nutrition Month.

Registered Dietitian Nutritionist Day Messages

Happy Registered Dietitian Nutritionist Day to RDNs supporting people and communities through food and nutrition expertise.

Celebrating RDN Day and the professionals who connect nutrition science with practical work across many settings.

Thank you to registered dietitian nutritionists for the education, care, research and public-service work you contribute.

Wishing RDNs a meaningful day of recognition for the many ways dietetics professionals serve their communities.

Happy RDN Day to the nutrition professionals helping people navigate food and nutrition with evidence-informed expertise.

Classification

Topic and context

Workplace, Professions & Appreciation →
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 Registered Dietitian Nutritionist Day?

Second Wednesday in March annually The documented recurrence rule is: Second Wednesday in March.

Does Registered Dietitian Nutritionist Day fall on the same date every year?

It follows a recurring calendar rule, so the Gregorian date can change from year to year.

Is Registered Dietitian Nutritionist Day an official public holiday?

The reviewed sources verify it within this scope: United States / Academy of Nutrition and Dietetics professional observance. That recognition does not by itself make it a statutory public holiday; the site only makes public-holiday claims when reliable evidence explicitly does so.

Who established or recognizes Registered Dietitian Nutritionist Day?

The reviewed sources identify Academy of Nutrition and Dietetics as the proclaiming or establishing body. The proposer or originator is recorded separately as Academy of Nutrition and Dietetics (then the American Dietetic Association). Current facilitation or coordination is recorded as Academy of Nutrition and Dietetics.

Is Registered Dietitian Nutritionist Day international or country-specific?

This observance is specific to United States. Its fuller verified scope is: United States / Academy of Nutrition and Dietetics professional observance.

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 2026-09-19.

When is Registered Dietitian Nutritionist Day?

It is held annually on the second Wednesday of March.

Who created RDN Day?

The Academy of Nutrition and Dietetics says it created the observance in 2007.

When was the first celebration?

Academy-affiliated material records the first Registered Dietitian Day in 2008.

Is RDN Day medical or diet advice?

No. It is a professional-recognition observance; personal nutrition or health decisions should be based on qualified individualized guidance.

Explore further

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