November 30 National Days

November 30, 2025 is the 334th day of the year (335th in leap years), with 31 days left until the end of the year. It falls on a Sunday in the 48th week. The date brings together observances focused on public safety, digital responsibility, social equity, heritage, and seasonal traditions, along with several food and lifestyle themes.

From marking the First Sunday of Advent and honoring Mississippi’s history to highlighting cybersecurity, shift workers, chemical-warfare remembrance, equal pay, and personal boundaries, the day also encourages sustainable habits through secondhand gifting and mason-jar reuse.

Below is a list of 18 national and international days celebrated on November 30, each with a brief explanation.

National & International Days on November 30

Blue Beanie Day draws attention to the importance of building websites that everyone can use, no matter their device, abilities, or technical skills. It started in 2007 when designer Jeffrey Zeldman encouraged people to wear blue beanies online as a campaign to remind others that the internet works best when websites follow clear, consistent rules. These rules help pages load correctly, make text readable, improve navigation, and ensure people who rely on tools like screen readers can access information.

Cities for Life Day began in 2002, founded by the Community of Sant’Egidio as a global call to end capital punishment. The observance marks the 1786 decision of the Grand Duchy of Tuscany to abolish torture and the death penalty, a milestone often cited as the first such action by a modern state. Cities participate by lighting a landmark to show support for abolition, a practice that has grown to include more than 2,500 municipalities worldwide. The campaign invites people to learn about the issues surrounding capital punishment and support ongoing efforts to replace it with justice systems that protect human rights.

Cyber Safety Sunday* (Sunday before Cyber Monday) was created in 2023 by the security company Norton to draw attention to the rise in online risks during the holiday shopping period, especially scams and attempts to steal personal or financial information. The observance encourages people to review essential safety practices before the busiest shopping days of the season. This includes recognizing common scam tactics, strengthening account security, and approaching online deals with caution. It also aligns with the goals of Computer Security Day on November 30, underscoring the need to prepare for a week when online activity sharply increases.

Day of Remembrance for All Victims of Chemical Warfare is a United Nations observance that honors those harmed or killed by chemical weapons and reinforces the global commitment to their complete elimination. It reflects a long history of disarmament efforts, beginning with the Geneva Protocol of 1925, which banned their use after World War I, and continuing through the Chemical Weapons Convention (1992), which prohibits their development, production, stockpiling, and use under the oversight of the Organisation for the Prohibition of Chemical Weapons (OPCW). The date was reassigned in 2015 by the Conference of the States Parties to align the observance with the opening of their annual session.

First Sunday of Advent* (Fourth Sunday before Christmas) marks the beginning of the Advent season, the four-week period of preparation leading up to Christmas in many Christian traditions. It introduces themes of anticipation, reflection, and hope, guiding worshippers toward the celebration of the birth of Jesus. Churches often light the first candle of the Advent wreath on this day, a symbol that sets the tone for the weeks that follow.

International ESG Day was founded in 2023 by The ESG Institute to help more people understand what Environmental, Social, and Governance (ESG) principles mean in practice. The observance explains how companies and organizations can make responsible choices by caring for the environment, treating people fairly, and running organizations in a responsible and transparent way. It encourages people, workplaces, and communities to think about how their choices affect others and to look for practical ways to support sustainability and fairness in everyday life.

International Shift Worker Sunday* (Last Sunday of November) was established in 2022 by Deputy, a global workforce management platform, to recognize the essential contributions of the 2.7 billion people who work outside a standard daytime schedule. The observance draws attention to the healthcare workers, emergency responders, retail and service employees, transportation staff, and many others who keep communities operating at all hours. It also underscores the challenges of irregular sleep, long or rotating shifts, and the effects on family routines, encouraging greater public and employer awareness of the commitment required in these roles.

National Computer Security Day was created in 1988 by the Association for Computing Machinery (ACM) after the Morris Worm, one of the first major internet attacks, disrupted computers across the country and revealed how easily systems could be compromised. The observance encourages people and organizations to strengthen the safety of their devices and online accounts by updating software, using strong passwords, and staying aware of common security risks.

National Mason Jar Day honors the 1858 invention of the screw-top glass jar by American tinsmith John Landis Mason, whose patented airtight design made home canning safer and far more reliable. The observance highlights how this innovation supported food preservation on farms and in households, especially during periods of scarcity such as World War II rationing. Over the years, the Mason jar has taken on a broader cultural role, used for storage, crafts, décor, and everyday kitchen tasks.

National Mate Day highlights the South American tradition of drinking yerba mate, a tea-like infusion made from the leaves of the Ilex paraguariensis plant. The day explains what mate is, why people drink it, and how it became part of daily life in countries like Argentina, Uruguay, Paraguay, and parts of Brazil. It draws attention to mate’s role as both a social ritual and a source of natural caffeine.

National Meth Awareness Day raises attention to the dangers of methamphetamine and explains how the drug affects individuals, families, and communities. The observance was created in 2006 by the U.S. Department of Justice to encourage clear, accessible information about meth, including its highly addictive nature, its impact on physical and mental health, and the way it disrupts daily life. The day also highlights prevention efforts, the value of early intervention, and the importance of community support for those seeking recovery.

National Mousse Day celebrates a dish known for its light, airy texture, achieved by gently folding whipped cream or egg whites into a flavored base. The name comes from the French word for “foam,” which reflects how the mixture holds tiny air bubbles that give mousse its smooth, delicate feel. Many people associate mousse with desserts like chocolate or fruit, but the same method also appears in savory versions made with ingredients such as fish, vegetables, or avocado.

National Mississippi Day honors Mississippi’s place in U.S. history and culture. Founded in 2017, the observance highlights the state’s name, drawn from the Ojibwe words for “Great River,” its significance as the birthplace of Delta blues, and the contributions of influential artists such as B.B. King, Muddy Waters, Elvis Presley, and William Faulkner. It also invites people to recognize Mississippi’s role in the Civil War and the Civil Rights Movement, and to appreciate how its forests, river landscapes, and Gulf Coast have shaped life in the region.

National Personal Space Day was founded in 2019 by public health specialist Carol Winner and the organization For the Love of Peach. The idea grew out of Winner’s experience caring for her mother during cancer treatment, when close contact sometimes caused discomfort. The observance promotes awareness of how people experience physical boundaries, encourages asking before touching or entering someone’s personal space, and explains why respecting these limits supports comfort, dignity, and healthier interactions.

National Secondhand Sunday* (Sunday after Thanksgiving) encourages people to choose pre-owned gifts during the holiday shopping season. The day was created in 2022 by Poshmark to promote a more sustainable and affordable approach to gift-giving at a time when many households feel the pressure to buy new items. It highlights how secondhand shopping reduces waste, supports individual sellers and local communities, and offers unique finds that often carry more character and value than mass-produced goods.

Perpetual Youth Day honors the birthday and legacy of Dick Clark, a longtime American radio and television host. Clark spent more than three decades hosting American Bandstand, a music program that introduced rock and roll to mainstream audiences and helped shape a new, more inclusive youth culture in the United States.

Stay Home Because You’re Well Day encourages people to take a day off simply because they feel healthy, not sick. The idea is to step back from routine demands, pause before burnout sets in, and give yourself time for rest, hobbies, or anything that helps you recharge. The observance highlights the value of preventative self-care by reminding people that breaks matter even when no illness forces them to slow down.

National Days in November

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