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U.S. Government sources are public domain under 17 USC 105."}]},{"id":"us-groundhog-day","country":"US","jurisdiction":"US","english_name":"Groundhog Day","native_name":"Groundhog Day","category":"observance","nationwide":true,"business_calendar":false,"rule":{"type":"fixed","month":2,"day":2},"notes":"This is an observance, not a recurring US federal day off.","sources":[{"url":"https://www.loc.gov/everyday-mysteries/zoology/item/groundhog-shadow/","read_at":"2026-09-20","licence":"Public calendar fact; original wording and arithmetic. U.S. Government sources are public domain under 17 USC 105."}]},{"id":"us-day-of-the-dead","country":"US","jurisdiction":"US","english_name":"Day of the Dead","native_name":"Day of the Dead","category":"observance","nationwide":true,"business_calendar":false,"rule":{"type":"fixed","month":11,"day":1},"notes":"Counts to November 1, the first of the two main observance dates. November 2 honors deceased adults; traditions can include other days.","sources":[{"url":"https://americanhistory.si.edu/explore/stories/day-dead-smithsonian-its-not-halloween","read_at":"2026-09-20","licence":"Public calendar fact; original wording and arithmetic. U.S. Government sources are public domain under 17 USC 105."}]},{"id":"us-cinco-de-mayo","country":"US","jurisdiction":"US","english_name":"Cinco de Mayo","native_name":"Cinco de Mayo","category":"observance","nationwide":true,"business_calendar":false,"rule":{"type":"fixed","month":5,"day":5},"notes":"This is an observance, not a recurring US federal day off.","sources":[{"url":"https://www.si.edu/collections/snapshot/cinco-de-mayo","read_at":"2026-09-20","licence":"Public calendar fact; original wording and arithmetic. U.S. Government sources are public domain under 17 USC 105."}]},{"id":"us-mexican-independence-day","country":"US","jurisdiction":"US","english_name":"Mexican Independence Day","native_name":"Mexican Independence Day","category":"observance","nationwide":true,"business_calendar":false,"rule":{"type":"fixed","month":9,"day":16},"notes":"This is an observance, not a recurring US federal day off.","sources":[{"url":"https://www.si.edu/collections/snapshot/cinco-de-mayo","read_at":"2026-09-20","licence":"Public calendar fact; original wording and arithmetic. U.S. Government sources are public domain under 17 USC 105."}]},{"id":"us-pride-month","country":"US","jurisdiction":"US","english_name":"Pride Month","native_name":"Pride Month","category":"observance","nationwide":true,"business_calendar":false,"rule":{"type":"fixed","month":6,"day":1},"notes":"Counts to June 1, the start of Pride Month in the United States. Local celebrations can take place on other dates.","sources":[{"url":"https://www.loc.gov/lgbt-pride-month/about/","read_at":"2026-09-20","licence":"Public calendar fact; original wording and arithmetic. U.S. Government sources are public domain under 17 USC 105."}]},{"id":"us-black-history-month","country":"US","jurisdiction":"US","english_name":"Black History Month","native_name":"Black History Month","category":"observance","nationwide":true,"business_calendar":false,"rule":{"type":"fixed","month":2,"day":1},"notes":"Counts to February 1, the start of Black History Month in the United States. Other countries may use a different month.","sources":[{"url":"https://blogs.loc.gov/bhm2022/about/","read_at":"2026-09-20","licence":"Public calendar fact; original wording and arithmetic. U.S. Government sources are public domain under 17 USC 105."}]},{"id":"us-breast-cancer-awareness-month","country":"US","jurisdiction":"US","english_name":"Breast Cancer Awareness Month","native_name":"Breast Cancer Awareness Month","category":"observance","nationwide":true,"business_calendar":false,"rule":{"type":"fixed","month":10,"day":1},"notes":"Counts to October 1, the beginning of the awareness month.","sources":[{"url":"https://www.loc.gov/static/portals/about/documents/gazette/41_Gazette_102122_web.pdf","read_at":"2026-09-20","licence":"Public calendar fact; original wording and arithmetic. U.S. Government sources are public domain under 17 USC 105."}]},{"id":"us-cyber-monday","country":"US","jurisdiction":"US","english_name":"Cyber Monday","native_name":"Cyber Monday","category":"observance","nationwide":true,"business_calendar":false,"rule":{"type":"relative","rule_id":"us-thanksgiving","days":4},"notes":"The Monday after US Thanksgiving. Store promotions can start earlier; this is not a federal holiday.","sources":[{"url":"https://www.nrfbigshoweurope.com/en/industry-trends/Black-Friday","read_at":"2026-09-20","licence":"Individual calendar fact, expressed in original wording and arithmetic. National Retail Federation event publication; no source prose reproduced."}]},{"country":"US","jurisdiction":"US","native_name":"Tax Day","category":"observance","nationwide":true,"business_calendar":false,"id":"us-tax-day","english_name":"Tax Day","rule":{"type":"us_tax_day"},"notes":"The usual US federal individual filing deadline: April 15, moved past weekends and the observed DC Emancipation Day. Disaster relief, state rules and individual extensions can change your deadline; confirm with the IRS.","sources":[{"url":"https://www.irs.gov/filing/individuals/when-to-file","read_at":"2026-09-20","licence":"Published calendar rule expressed in original arithmetic. Individual factual date; no source prose reproduced."}]},{"country":"US","jurisdiction":"US","native_name":"Teacher Appreciation Week","category":"observance","nationwide":true,"business_calendar":false,"id":"us-teacher-appreciation","english_name":"Teacher Appreciation Week","rule":{"type":"nth_weekday","month":5,"weekday":7,"occurrence":1},"notes":"Counts to Sunday at the start of the first full week of May, following National PTA. School activities often start Monday; local dates can differ.","sources":[{"url":"https://www.pta.org/home/events/PTA-Teacher-Appreciation-Week","read_at":"2026-09-20","licence":"Published calendar rule expressed in original arithmetic. Individual factual date; no source prose reproduced."}]}]}