Day Guide for Sunday September 17th 2023 What are the holidays on September 17th 2023?

This is our day guide for Sunday September 17th 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?

Holidays on September 17th 2023

Angola: National Heroes' Day

Marks the birthday of the national hero Agostinho Netowho was born on this day in 1922.

Israel: Rosh Hashanah

Second day of Rosh Hashanah, the New Year of the Jewish calendar

Regional

Switzerland (regional): Swiss Federal Fast

A Swiss government-arranged multi-denominational holiday celebrated by Christians and the Jewish community

Observances on September 17th 2023

USA: Constitution Day and Citizenship Day

One of the most patriotic holidays, today celebrates both the constitution and citizens of the USA.

USA: National Apple Dumpling Day

Find out the dates, history and traditions of National Apple Dumpling Day

Honduras: Teachers Day

Find out the dates, history and traditions of Teachers Day

International: World Patient Safety Day

World Patient Safety Day was established to enhance global understanding of patient safety

Belarus: Day of People's Unity

Find out the dates, history and traditions of the Day of People's Unity in Belarus.

USA: Wife Appreciation Day

A gentle reminder - don't just appreciate your wife on the third Sunday in September!

September 16th 2023 | Go to Today | September 18th 2023

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General Information for September 17th 2023
There are 3 public holidays today.
Day 260 of 2023
105 days left in 2023
Week 37 of the year
On this Day in History
1980 - After weeks of strikes at the Lenin Shipyard in Gdansk, Poland, the nationwide independent trade union Solidarity is established.
1972 - The first episode of the M*A*S*H TV series is aired; the show is going to last 11 years - four years longer than the Korean War that had inspired it.
1923 - Hank Williams, legendary Country Music singer, is born.
1775 - American Revolutionary War: The Invasion of Canada begins with the Siege of Fort St. Jean.