MCP Time Server Node

# Holiday External Source Verification **Date**: 2025-07-20 **Purpose**: Verify holiday dates against official government sources ## Verification Results ### 🇺🇸 United States Federal Holidays **Source**: https://www.opm.gov/policy-data-oversight/pay-leave/federal-holidays/ | Holiday | Official Date | Our Implementation | Status | |---------|--------------|-------------------|---------| | New Year's Day | January 1 | ✓ January 1 | ✅ Correct | | Martin Luther King Jr. Day | 3rd Monday in January | ✓ 3rd Monday | ✅ Correct | | Presidents Day | 3rd Monday in February | ✓ 3rd Monday | ✅ Correct | | Memorial Day | Last Monday in May | ✓ Last Monday | ✅ Correct | | Juneteenth | June 19 | ❌ Missing | ❌ FIXED | | Independence Day | July 4 | ✓ July 4 | ✅ Correct | | Labor Day | 1st Monday in September | ✓ 1st Monday | ✅ Correct | | Columbus Day | 2nd Monday in October | ✓ 2nd Monday | ✅ Correct | | Veterans Day | November 11 | ✓ November 11 | ✅ Correct | | Thanksgiving | 4th Thursday in November | ✓ 4th Thursday | ✅ Correct | | Christmas Day | December 25 | ✓ December 25 | ✅ Correct | **Finding**: Missing Juneteenth (added as federal holiday in 2021) ### 🇬🇧 United Kingdom Bank Holidays **Source**: https://www.gov.uk/bank-holidays | Holiday | Official Date | Our Implementation | Status | |---------|--------------|-------------------|---------| | New Year's Day | January 1 | ✓ January 1 | ✅ Correct | | Good Friday | Varies (Easter-based) | ✓ Easter-based | ✅ Correct | | Easter Monday | Varies (Easter-based) | ✓ Easter-based | ✅ Correct | | Early May | 1st Monday in May | ✓ 1st Monday | ✅ Correct | | Spring | Last Monday in May | ✓ Last Monday | ✅ Correct | | Summer | Last Monday in August | ✓ Last Monday | ✅ Correct | | Christmas Day | December 25 | ✓ December 25 | ✅ Correct | | Boxing Day | December 26 | ✓ December 26 | ✅ Correct | **Note**: UK has special rules when Christmas/Boxing Day fall on weekends ### 🇨🇦 Canada Federal Holidays **Source**: https://www.canada.ca/en/revenue-agency/services/tax/public-holidays.html | Holiday | Official Date | Our Implementation | Status | |---------|--------------|-------------------|---------| | New Year's Day | January 1 | ✓ January 1 | ✅ Correct | | Good Friday | Varies (Easter-based) | ✓ Easter-based | ✅ Correct | | Victoria Day | Monday before May 25 | ✓ Special rule | ✅ Correct | | Canada Day | July 1 | ✓ July 1 | ✅ Correct | | Civic Holiday | 1st Monday in August | ❌ Not included | ⚠️ Provincial | | Labour Day | 1st Monday in September | ✓ 1st Monday | ✅ Correct | | Thanksgiving | 2nd Monday in October | ✓ 2nd Monday | ✅ Correct | | Remembrance Day | November 11 | ✓ November 11 | ✅ Correct | | Christmas Day | December 25 | ✓ December 25 | ✅ Correct | | Boxing Day | December 26 | ✓ December 26 | ✅ Correct | **Note**: Civic Holiday is not federal, varies by province ### 🇦🇺 Australia National Holidays **Source**: https://www.australia.gov.au/about-australia/special-dates-and-events/public-holidays | Holiday | Official Date | Our Implementation | Status | |---------|--------------|-------------------|---------| | New Year's Day | January 1 | ✓ January 1 | ✅ Correct | | Australia Day | January 26 | ✓ January 26 | ✅ Correct | | Good Friday | Varies (Easter-based) | ✓ Easter-based | ✅ Correct | | Easter Saturday | Varies (Easter-based) | ✓ Easter-based | ✅ Correct | | Easter Monday | Varies (Easter-based) | ✓ Easter-based | ✅ Correct | | Anzac Day | April 25 | ✓ April 25 | ✅ Correct | | Queen's Birthday | 2nd Monday in June | ✓ 2nd Monday | ✅ Correct | | Christmas Day | December 25 | ✓ December 25 | ✅ Correct | | Boxing Day | December 26 | ✓ December 26 | ✅ Correct | **Note**: Queen's Birthday varies by state ## Action Items 1. ✅ Added Juneteenth to US holidays 2. ⬜ Add automated tests that verify against official sources 3. ⬜ Document all source URLs in code comments 4. ⬜ Consider API integration for automatic updates ## Lessons Learned - Holiday data changes over time (new holidays added) - Manual verification catches discrepancies - Should verify annually or use dynamic data source - Provincial/state variations are complex