This is our day guide for Monday September 18th 2023 which shows you at a glance what's happening on this day around the world. Using the calendar on this page, you can look at a day guide for any day. Why not look up your birthday to see which holidays you share it with?

Observances on September 18th 2023

World Bamboo Day

World Bamboo Day

Discover the eco-friendly beauty of bamboo on World Bamboo Day - September 18th! Explore sustainable uses, cultivation, and its positive impact on the environment.

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National Cheeseburger Day

National Cheeseburger Day 🍔

Some of the observances and national days on this site are cheesy.

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National HIV/AIDS and Aging Awareness Day

National HIV/AIDS and Aging Awareness Day

This day brings attention to the growing number of people living long and full lives with HIV and to their health and social needs.

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Public Holidays on September 18th 2023

Independence Day of Chile

Independence Day of Chile

On September 18th 1810, Chile broke from Spanish rule, declaring their independence. The Spanish had ruled Chile since the middle of the Sixteenth Century

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Ganesh Chaturthi

Ganesh Chaturthi

Ganesh Chaturthi is the day when all Hindus celebrate one of the most popular deities, Lord Ganesh

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Respect for the Aged Day

Respect for the Aged Day

Respect of the Aged Day was established as a national holiday in 1966 to express respect for the elders in the community

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Teej

Teej

Teej is a festival, celebrated in Northern India and Nepal to welcome the monsoon season

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Bettagsmontag

Bettagsmontag

In Bern, Neuchâtel and Vaud, the Monday after 3rd Sunday in September is a holiday known as Bettagsmontag

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Birthday of HRH Crown Prince

Birthday of HRH Crown Prince

The current heir to the throne was born on September 17th 1985

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