May 2027 calendar
Holidays, religious days, the sky, sports, elections and more, with sources.
May 2027
155 events
| Date | Event | When | |||
|---|---|---|---|---|---|
| May 1Sat | BeltaneReligion · Pagan and Wiccan | – | annual | Wheel of the YearComputed (rule) | in 7 mo |
| Asian American, Native Hawaiian and Pacific Islander Heritage MonthObservances · Heritage months · to May 31 | – | annual | Library of Congress and partnersComputed (rule) | in 7 mo | |
| SAT test dateAcademic · Exams · US test centers | US test centers | annual | College Board | in 7 mo | |
| AWS Summit Tel Aviv 2027TentativeData and AI · Conferences · Tel Aviv, Israel | Tel Aviv, Israel; Amazon Web Services (AWS) | annual | Amazon Web Services (AWS) | in 7 mo | |
| International Workers Day (Italy)Holidays · Italy · Italy | Italy | annual | Nager.Date | in 7 mo | |
| International Workers' Day (Sweden)Holidays · Sweden · Sweden | Sweden | annual | Nager.Date | in 7 mo | |
| International Workers' Day (Ukraine)Holidays · Ukraine · Ukraine | Ukraine | annual | Nager.Date | in 7 mo | |
| Labour Day (Argentina)Holidays · Argentina · Argentina | Argentina | annual | Nager.Date | in 7 mo | |
| Labour Day (Brazil)Holidays · Brazil · Brazil | Brazil | annual | Nager.Date | in 7 mo | |
| Labour Day (China)Holidays · China · China | China | annual | Nager.Date | in 7 mo | |
| Labour Day (Egypt)Holidays · Egypt · Egypt | Egypt | annual | Nager.Date | in 7 mo | |
| Labour Day (France)Holidays · France · France | France | annual | Nager.Date | in 7 mo | |
| Labour Day (Germany)Holidays · Germany · Germany | Germany | annual | Nager.Date | in 7 mo | |
| Labour Day (Kenya)Holidays · Kenya · Kenya | Kenya | annual | Nager.Date | in 7 mo | |
| Labour Day (Norway)Holidays · Norway · Norway | Norway | annual | Nager.Date | in 7 mo | |
| Labour Day (Spain)Holidays · Spain · Spain | Spain | annual | Nager.Date | in 7 mo | |
| May Day (Poland)Holidays · Poland · Poland | Poland | annual | Nager.Date | in 7 mo | |
| Workers' Day (South Africa)Holidays · South Africa · South Africa | South Africa | annual | Nager.Date | in 7 mo | |
| 25th anniversary: The Horncastle boar's head (pictured)History · Anniversaries | – | annual | Wikipedia | in 7 mo | |
| Santiago Ramón y Cajal, born 1852 (175 years)People · Birth anniversaries | – | annual | Wikipedia | in 7 mo | |
| Vesak, the Day of the Full MoonObservances · UN international days | – | annual | United Nations | in 7 mo | |
| May 2Sun | Orthodox Easter (Pascha)Religion · Orthodox Christianity | – | annual | Orthodox Church in AmericaComputed (rule) | in 7 mo |
| Easter Sunday (Ukraine)Holidays · Ukraine · Ukraine | Ukraine | annual | Nager.Date | in 7 mo | |
| Twelfth Day of RidvanReligion · Baha’i | – | annual | Baha’i World CentreComputed (rule) | in 7 mo | |
| World Tuna DayObservances · UN international days | – | annual | United Nations | in 7 mo | |
| May 3Mon | World Press Freedom DayObservances · UN international days | – | annual | United Nations | in 7 mo |
| AP Exams 2027Academic · Exams · to May 14 · US schools | US schools | annual | College Board | in 7 mo | |
| Constitution Day (Poland)Holidays · Poland · Poland | Poland | annual | Nager.Date | in 7 mo | |
| Constitution Memorial Day (Japan)Holidays · Japan · Japan | Japan | annual | Nager.Date | in 7 mo | |
| Early May Bank Holiday (United Kingdom)Holidays · United Kingdom · United Kingdom | United Kingdom | annual | Nager.Date | in 7 mo | |
| Easter Monday (Egypt)Holidays · Egypt · Egypt | Egypt | annual | Nager.Date | in 7 mo | |
| Labour Day (South Korea)Holidays · South Korea · South Korea | South Korea | annual | Nager.Date | in 7 mo | |
| May Day (Ireland)Holidays · Ireland · Ireland | Ireland | annual | Nager.Date | in 7 mo | |
| Workers' Day (Nigeria)Holidays · Nigeria · Nigeria | Nigeria | annual | Nager.Date | in 7 mo | |
| Alfred Kastler, born 1902 (125 years)People · Birth anniversaries | – | annual | Wikipedia | in 7 mo | |
| Palantir earnings (Q1 FY2027)TentativeEconomy · Earnings | Palantir (PLTR) | quarterly | Quarterly | in 7 mo | |
| May 4Tue | Yom HaShoah (Holocaust Remembrance Day)Religion · Judaism | – | annual | HebcalComputed (rule) | in 7 mo |
| 350th anniversary: Trunajaya rebellion: Dutch East India Company forces under Cornelis Speelman...History · Anniversaries | – | annual | Wikipedia | in 7 mo | |
| ServiceNow Knowledge 2027Data and AI · Conferences · to May 6 · Las Vegas, NV | Las Vegas, NV; ServiceNow | annual | ServiceNow | in 7 mo | |
| Greenery Day (Japan)Holidays · Japan · Japan | Japan | annual | Nager.Date | in 7 mo | |
| AMD earnings (Q1 FY2027)TentativeEconomy · Earnings | AMD (AMD) | quarterly | Quarterly | in 7 mo | |
| Shopify earnings (Q1 FY2027)TentativeEconomy · Earnings | Shopify (SHOP) | quarterly | Quarterly | in 7 mo | |
| May 5Wed | Children's Day (Japan)Holidays · Japan · Japan | Japan | annual | Nager.Date | in 7 mo |
| Children's Day (South Korea)Holidays · South Korea · South Korea | South Korea | annual | Nager.Date | in 7 mo | |
| Cinco de MayoObservances · Days | – | annual | WikipediaComputed (rule) | in 7 mo | |
| World Portuguese Language DayObservances · UN international days | – | annual | United Nations | in 7 mo | |
| Uber earnings (Q1 FY2027)TentativeEconomy · Earnings | Uber (UBER) | quarterly | Quarterly | in 7 mo | |
| May 6Thu | Ascension DayReligion · Christianity | – | annual | USCCB liturgical yearComputed (rule) | in 7 mo |
| Eta Aquariids meteor shower peakSky · Meteor showers | – | annual | International Meteor OrganizationComputed (rule) | in 7 mo | |
| New moonSky · Moon phases · 5:59 am CT | – | monthly | NASAComputed (rule) | in 7 mo | |
| Ascension Day (France)Holidays · France · France | France | annual | Nager.Date | in 7 mo | |
| Ascension Day (Germany)Holidays · Germany · Germany | Germany | annual | Nager.Date | in 7 mo | |
| Ascension Day (Netherlands)Holidays · Netherlands · Netherlands | Netherlands | annual | Nager.Date | in 7 mo | |
| Ascension Day (Norway)Holidays · Norway · Norway | Norway | annual | Nager.Date | in 7 mo | |
| Ascension Day (Sweden)Holidays · Sweden · Sweden | Sweden | annual | Nager.Date | in 7 mo | |
| CoreWeave earnings (Q1 FY2027)TentativeEconomy · Earnings | CoreWeave (CRWV) | quarterly | Quarterly | in 7 mo | |
| Datadog earnings (Q1 FY2027)TentativeEconomy · Earnings | Datadog (DDOG) | quarterly | Quarterly | in 7 mo | |
| May 7Fri | MN DNR: Bear hunt lottery deadlineOutdoors · Hunting · Minnesota | Minnesota | annual | Minnesota DNR | in 7 mo |
| May 8Sat | Take a Mom Fishing WeekendOutdoors · Fishing · to May 9 · Statewide | Statewide | annual | Minnesota DNR | in 7 mo |
| 100th anniversary: French aviators Charles Nungesser and François Coli aboard the biplane L'Oiseau...History · Anniversaries | – | annual | Wikipedia | in 7 mo | |
| Victory day over Nazism in World War II (Ukraine)Holidays · Ukraine · Ukraine | Ukraine | annual | Nager.Date | in 7 mo | |
| Victory in Europe Day (France)Holidays · France · France | France | annual | Nager.Date | in 7 mo | |
| Time of Remembrance and Reconciliation for Those Who Lost Their Lives During the Second World WarObservances · UN international days | – | annual | United Nations | in 7 mo | |
| May 9Sun | 50th anniversary: The Hotel Polen in Amsterdam was destroyed by fire (pictured), leaving 33...History · Anniversaries | – | annual | Wikipedia | in 7 mo |
| Mother’s Day (US)Observances · Days | – | annual | US CodeComputed (rule) | in 7 mo | |
| 150th anniversary: An earthquake struck northern ChileHistory · Anniversaries | – | annual | Wikipedia | in 7 mo | |
| World Migratory Bird DayObservances · UN international days | – | annual | United Nations | in 7 mo | |
| May 10Mon | 400th anniversary: Dutch explorer Pieter Nuyts was appointed governor of Formosa (modern-day...History · Anniversaries | – | annual | Wikipedia | in 7 mo |
| Gartner Data & Analytics Summit London 2027Data and AI · Conferences · to May 12 · London, England, United Kingdom | London, England, United Kingdom; Gartner | annual | Gartner | in 7 mo | |
| International Day of ArganiaObservances · UN international days | – | annual | United Nations | in 7 mo | |
| May 12Wed | Yom HaAtzma’ut (Israel Independence Day)Religion · Judaism | – | annual | HebcalComputed (rule) | in 8 mo |
| First quarter moonSky · Moon phases · 11:44 pm CT | – | monthly | NASAComputed (rule) | in 8 mo | |
| George Carlin, born 1937 (90 years)People · Birth anniversaries | – | annual | Wikipedia | in 8 mo | |
| Maryam Mirzakhani, born 1977 (50 years)People · Birth anniversaries | – | annual | Wikipedia | in 8 mo | |
| International Day of Plant HealthObservances · UN international days | – | annual | United Nations | in 8 mo | |
| Cisco earnings (Q3 FY2027)TentativeEconomy · Earnings | Cisco (CSCO) | quarterly | Quarterly | in 8 mo | |
| May 13Thu | Buddha’s Birthday (East Asia)Religion · Buddhism | – | annual | Hong Kong ObservatoryComputed (rule) | in 8 mo |
| Buddha's Birthday (South Korea)Holidays · South Korea · South Korea | South Korea | annual | Nager.Date | in 8 mo | |
| May 14Fri | Robert Zemeckis, born 1952 (75 years)People · Birth anniversaries | – | annual | Wikipedia | in 8 mo |
| May 15Sat | Minnesota fishing openerOutdoors · Fishing · Minnesota waters | Minnesota waters | annual | Minnesota DNR | in 8 mo |
| Day of ArafahTentativeReligion · Islam | – | annual | Umm al-Qura calendarComputed (rule) | in 8 mo | |
| 425th anniversary: Early English explorer Bartholomew Gosnold arrived on Cape Cod in present-day...History · Anniversaries | – | annual | Wikipedia | in 8 mo | |
| 775th anniversary: Pope Innocent IV issued the papal bull Ad extirpanda, authorizing the use of...History · Anniversaries | – | annual | Wikipedia | in 8 mo | |
| Eurovision Song Contest 2027 finalCulture · Music | – | every few years | Wikipedia | in 8 mo | |
| Madeleine Albright, born 1937 (90 years)People · Birth anniversaries | – | annual | Wikipedia | in 8 mo | |
| International Day of FamiliesObservances · UN international days | – | annual | United Nations | in 8 mo | |
| May 16Sun | Eid al-AdhaTentativeReligion · Islam | – | annual | Umm al-Qura calendarComputed (rule) | in 8 mo |
| PentecostReligion · Christianity | – | annual | USCCB liturgical yearComputed (rule) | in 8 mo | |
| 250th anniversary: Button Gwinnett, a signer of the United States Declaration of Independence, is...History · Anniversaries | – | annual | Wikipedia | in 8 mo | |
| 50th anniversary: The first Chuck E. Cheese location, the first family restaurant to integrate...History · Anniversaries | – | annual | Wikipedia | in 8 mo | |
| Pentecost (Netherlands)Holidays · Netherlands · Netherlands | Netherlands | annual | Nager.Date | in 8 mo | |
| Pentecost (Norway)Holidays · Norway · Norway | Norway | annual | Nager.Date | in 8 mo | |
| Pentecost (Poland)Holidays · Poland · Poland | Poland | annual | Nager.Date | in 8 mo | |
| Pentecost (Sweden)Holidays · Sweden · Sweden | Sweden | annual | Nager.Date | in 8 mo | |
| International Day of LightObservances · UN international days | – | annual | United Nations | in 8 mo | |
| International Day of Living Together in PeaceObservances · UN international days | – | annual | United Nations | in 8 mo | |
| May 17Mon | Open Source Summit North America 2027Data and AI · Conferences · to May 19 · Vancouver, British Columbia, Canada | Vancouver, British Columbia, Canada; Linux Foundation | annual | Linux Foundation | in 8 mo |
| Constitution Day (Norway)Holidays · Norway · Norway | Norway | annual | Nager.Date | in 8 mo | |
| Whit Monday (France)Holidays · France · France | France | annual | Nager.Date | in 8 mo | |
| Whit Monday (Germany)Holidays · Germany · Germany | Germany | annual | Nager.Date | in 8 mo |
Sources: official schedules and published calendars, linked on every event; computed dates name their rule. Refreshed nightly.