18 September 2023

18 September 2023 was ...

• 261st day of the year. There were then 104 days left in 2023.
• 38th Monday of 2023.
• on the 38th week of 2023 (using ISO standard week number calculation).
• Birthstone for this day: Sapphire

18 September 2023 South Africa Holidays & Popular Observances

There are no major holidays or observances in South Africa for this date.

18 September 2023 Popular Holidays & Observances Worldwide

• National Cheeseburger Day - Popular in: Canada, United States
• Federal Fast (Eidgenössische Danktag, Busstag und Bettag - Beobachten) - Switzerland
• Chile Independence Day - United States
• Vinayaka Chaturthi (विनायक चतुर्थी) - India
• Fiestas Patrias - Chile
• Dia da Independência do Chile - United States
• AIDS and Aging Awareness Day - United States
• Día de la Constitución - United States