International Day of Light is Saturday, May 16, 2026. Send free animated International Day of Light eCards instantly with DeepTrench — choose from hundreds of designs, personalize your message, and deliver to anyone's inbox in seconds. No cost, no app required.
What is International Day of Light?
The International Day of Light is celebrated annually on May 16th. This day was established by the United Nations in 2018 to recognize the importance of light and light-based technologies in our daily lives and for the future of humanity.
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When is International Day of Light?
| Year | Date | Day |
|---|---|---|
| 2026 | May 16, 2026 | Saturday |
| 2027 | May 16, 2027 | Sunday |
| 2028 | May 16, 2028 | Tuesday |
| 2029 | May 16, 2029 | Wednesday |
| 2030 | May 16, 2030 | Thursday |
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