Countdown To National Defense Day | Days Until National Defense Day

National Defense Day Countdown!
When is National Defense Day? Need to know the Days Until National Defense Day?
Or just looking for a National Defense Day countdown timer? We can help! :-)

When is National Defense Day?
The next National Defense Day is:
Sunday, 21st of May 2023

Previous and Future Dates:

  • Monday, 21st of May 2018
  • Tuesday, 21st of May 2019
  • Thursday, 21st of May 2020
  • Friday, 21st of May 2021
  • Saturday, 21st of May 2022
  • Sunday, 21st of May 2023
  • Tuesday, 21st of May 2024
  • Wednesday, 21st of May 2025
  • Thursday, 21st of May 2026



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