This is our day guide for Tuesday October 21st 2025 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 October 21st 2025

Back to the Future Day

Back to the Future Day

Find out the dates, history and traditions of Back to the Future Day

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Diwali

Diwali 🪔

Celebrations revolve around the triumph of good over evil, purity over impurity, light over darkness.

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World Energy Saving Day

World Energy Saving Day ♻️

World Energy Saving Day is observed to raise awareness about the importance of reducing energy consumption and using renewable sources to protect the environment and climate.

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National Pharmacy Technician Day

National Pharmacy Technician Day

Find out the dates, history and traditions of National Pharmacy Technician Day

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Pro-Life Day of Silent Solidarity

Pro-Life Day of Silent Solidarity

Find out the dates, history and traditions of Pro-Life Day of Silent Solidarity

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National Pumpkin Cheesecake Day

National Pumpkin Cheesecake Day

National Pumpkin Cheesecake Day is a day to celebrate the delightful combination of creamy cheesecake and pumpkin spice.

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National Reptile Awareness Day

National Reptile Awareness Day

Find out the dates, history and traditions of National Reptile Awareness Day

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Apple Day

Apple Day 🍏

Find out the dates, history and traditions of Apple Day

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National Honey Day

National Honey Day 🍯

Celebrate national honey day by savoring local honey, supporting ethical beekeepers, and learning about the importance of authenticity in every jar.

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Public Holidays on October 21st 2025

Diwali

Diwali

Celebrations revolve around the triumph of good over evil, purity over impurity, light over darkness

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President Ndadaye's Day

President Ndadaye's Day

Marks the assassination of a Burundian intellectual and politician in 1993

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Laxmi Puja

Laxmi Puja

The third day of Tihar is when Lakshmi the goddess of wealth is worshipped

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