Day Guide for Friday September 18th 2026

This is our day guide for Friday September 18th 2026 which shows you at a glance what's happening around the world on day 261 of 2026.

Holidays on September 18th 2026

Angola: National Heroes' Day (in lieu). Marks the birthday of the national hero Agostinho Netowho was born on this day in 1922.

Not a Public Holiday

Armenia: Exaltation of the Holy Cross. Celebrates the return of the Holy Cross to Jerusalem following its capture by the Persians
Chile: Independence Day. On September 18th 1810, Chile broke from Spanish rule, declaring their independence. The Spanish had ruled Chile since the middle of the Sixteenth Century

September 17th 2026 | Go to Today | Holidays for 2026 are not available yet

Observances on September 18th 2026

  • International: Grenache Day
  • USA: National POW/MIA Recognition Day
  • USA: National Trademen Day
  • USA: National Cheeseburger Day
  • USA: National HIV/AIDS and Aging Awareness Day
  • International: World Bamboo Day
  • United Nations: International Equal Pay Day

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