This is our day guide for Wednesday September 20th 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 20th 2023

International Day of University Sport

International Day of University Sport

International Day of University Sport (IDUS) is celebrated on 20 September and was officially proclaimed by the United Nations Education, Science and Culture Organisation (UNESCO).

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National Punch Day

National Punch Day

Find out the dates, history and traditions of National Punch Day

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National Gibberish Day

National Gibberish Day

Find out the dates, history and traditions of National Gibberish Day.

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National Pepperoni Pizza Day

National Pepperoni Pizza Day 🍕

Find out the dates, history and traditions of National Pepperoni Pizza Day.

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