International Day of the Celebration of the Solstice2026 · Date · History · Messages
A/RES/73/300
About International Day of the Celebration of the Solstice
The International Day of the Celebration of the Solstice is observed on 21 June. The United Nations recognizes the date as an opportunity to acknowledge the significance of solstices and related cultural traditions, especially among Indigenous Peoples.
The observance is cultural rather than a general astronomy holiday. Good coverage can explain the astronomical event while keeping the Day’s institutional emphasis on living traditions, cultural heritage, agriculture, relationships with nature and respect among peoples.
Why International Day of the Celebration of the Solstice matters
Solstices have been interpreted through many cultural, agricultural and spiritual traditions. The UN observance highlights that such traditions can carry community knowledge, identity and relationships with land rather than serving only as seasonal spectacle.
A responsible guide should avoid presenting one community’s solstice practice as universal. It should distinguish astronomical facts from culturally specific meanings and use community or institutional sources when describing Indigenous traditions.
History of International Day of the Celebration of the Solstice
A cross-regional group of Member States, including Bolivia (Plurinational State of), Canada, Chile, Cuba, Ecuador, Fiji, Kazakhstan, Paraguay, Peru and Saint Vincent and the Grenadines, sponsored draft resolution A/73/L.92, with additional sponsors added before adoption.
On 20 June 2019, the United Nations General Assembly adopted A/RES/73/300 and recognized 21 June as the International Day of the Celebration of the Solstice.
The resolution links the date with Indigenous sun rituals and ceremonies, agricultural and food-production systems, cultural heritage and long-standing traditions associated with the solstice.
How the observance developed
This timeline uses documented milestones from reviewed sources. Missing stages are left out rather than guessed.
Cross-regional sponsors of draft A/73/L.92
The United Nations Digital Library identifies Bolivia (Plurinational State of), Canada, Chile, Cuba, Ecuador, Fiji, Kazakhstan, Paraguay, Peru and Saint Vincent and the Grenadines as sponsors of A/73/L.92, with additional sponsors added before adoption.
United Nations General Assembly
A/RES/73/300
What the evidence establishes
Confirmed institutional roles and milestones are shown first. Details that could not be established from the reviewed sources are listed separately below.
4 fields not established in reviewed sources
How to Observe International Day of the Celebration of the Solstice
Learn how the June solstice is understood by one specific culture or Indigenous community using a first-party or institutional source.
Compare the astronomical definition of a solstice with the cultural meanings attached to it in different parts of the world.
Explore how seasonal cycles relate to agriculture, food systems or land-based knowledge in a particular community without generalizing across peoples.
If attending a cultural ceremony, follow local guidance on access, photography and respectful participation.
International Day of the Celebration of the Solstice Facts
For International Day of the Celebration of the Solstice, the International Day of the Celebration of the Solstice is observed on 21 June.
The General Assembly established the Day through A/RES/73/300.
A/RES/73/300 was adopted on 20 June 2019.
Draft A/73/L.92 had a cross-regional sponsor group led in the record by Bolivia (Plurinational State of) and other co-sponsors.
The reviewed sources do not explicitly identify a first observance, so that field remains unresolved.
International Day of the Celebration of the Solstice Messages
May International Day of the Celebration of the Solstice spark fresh ideas, thoughtful conversation and a little more curiosity about the subject behind the day.
International Day of the Celebration of the Solstice is a good excuse to slow down, explore the topic and enjoy the people, stories or traditions connected with it.
Wishing everyone marking International Day of the Celebration of the Solstice a day filled with curiosity, creativity and meaningful discovery.
Happy International Day of the Celebration of the Solstice! May International Day of the Celebration of the Solstice invite fresh curiosity about the traditions, ideas and people connected with this occasion.
Celebrate International Day of the Celebration of the Solstice by learning something new, sharing what you enjoy and inviting someone else into the experience.
Topic and context
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 & sources
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.
United Nations Digital Library — A/73/L.92 (opens in a new tab)
United Nations Digital Library — A/RES/73/300 (opens in a new tab)
United Nations — International Day of the Celebration of the Solstice (opens in a new tab)
United Nations — List of International Days and Weeks (opens in a new tab)
United Nations — Observances: who chooses them and how (opens in a new tab)
Understand it, compare it, then explore further
Start with the most common factual questions, then compare closely related observances and explore useful connections.
Frequently asked questions
When is International Day of the Celebration of the Solstice?
21 June The documented recurrence rule is: 21 June.
Does International Day of the Celebration of the Solstice fall on the same date every year?
Yes. It uses a fixed annual date unless stronger evidence changes the pattern.
Is International Day of the Celebration of the Solstice an official public holiday?
The reviewed sources verify it within this scope: United Nations / international 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 International Day of the Celebration of the Solstice?
The reviewed sources identify United Nations General Assembly as the proclaiming or establishing body. The proposer or originator is recorded separately as Cross-regional sponsors of draft A/73/L.92.
Is International Day of the Celebration of the Solstice international or country-specific?
The documented scope is international or global: United Nations / international observance. That does not mean every country treats the date as a public holiday or observes it in the same way.
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 2026-09-05.
When is the International Day of the Celebration of the Solstice?
It is observed on 21 June.
Who established the Day?
The United Nations General Assembly adopted A/RES/73/300 on 20 June 2019.
Why 21 June?
The establishing resolution connects 21 June with solstice traditions, including Indigenous sun rituals, agricultural and food-production systems, cultural heritage and long-standing relationships with nature.
Other observances on June 21
These observances are also listed on June 21, 2027.
Año Nuevo Andino Amazónico y del Chaco
Bolivia’s Supreme Decree No. 173 (2009) made June 21 an immovable nationwide holiday for the winter solstice, while Law No. 1128 (2018) declares June 21 of each year the Año Nuevo Andino Am…
Go Skateboarding Day
IASC press releases describe Go Skateboarding Day as the official annual holiday of skateboarding, observed worldwide on June 21.
International Day of Yoga
A/RES/69/131
Martyrs’ Day (Togo)
The official Togolese government site states that Togo commemorates Martyrs’ Day every 21 June in memory of those killed in the independence struggle and confirms that the day is a public h…
National Arizona Day
National Day Calendar lists National Arizona Day on 21 June as part of its creator-defined National State Days series, introduced in 2017 to honor states in the order they joined the Union.…
National Daylight Appreciation Day
Published event material identifies Solatube International as creator and Solatube describes itself as sponsor of the annual June 21 observance. NASA/NOAA material is used to separate the f…