How is International Day of Light calculated?

This event is observed every year on 16 May.

When is International Day of Light 2199?

Name: International Day of Light
Start: 2199-05-16
End: 2199-05-16
Location: Worldwide

International Day of Light celebrates light science and its applications in culture, education and sustainable development.

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When is International Day of Light 2199?: International Day of Light 2199 is on Thursday, 16 May 2199.
What day of the week is International Day of Light 2199?: It falls on Thursday.
How is International Day of Light calculated?: This event is observed every year on 16 May.