This is our day guide for Monday September 21st 2026 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 21st 2026
World Alzheimer’s Day
2 out of every 3 people globally believe there is little or no understanding of dementia in their countries.
Read More
Read More
National Gratitude Day 🙏
Celebrate World Gratitude Day by embracing thankfulness, enhancing well-being, and fostering global connections. Discover the power of gratitude today!
Read More
Read More
International Day of Peace
The International Day of Peace is celebrated annually on 21 September and is a United Nations-commissioned global holiday.
Read More
Read More
Public Holidays on September 21st 2026
Independence Day
Armenia was the first non-Baltic republic to secede from the Soviet Union, on this day in 1991
Read More
Read More
Sree Narayana Guru Samadhi
Marks the death ceremony of the Sree Narayana Guru, saint, prophet and social reformer from Kerala
Read More
Read More
Day of Atonement
Yom Kippur is the Jewish day of repentance, considered to be the holiest and most solemn day of the year
Read More
Read More
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
Read More
Read More
Bettagsmontag
In Bern, Neuchâtel and Vaud, the Monday after 3rd Sunday in September is a holiday known as Bettagsmontag
Read More
Read More
← September 20th 2026 | Go to Today | September 22nd 2026 →