What is the Icelandic word for "My birthday is on May 21st."?

American English

My birthday is on May 21st.

My birthday is on May 21st.-Ég á afmæli 21. maí..svg
Icelandic

Ég á afmæli 21. maí.

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How "My birthday is on May 21st." is said across the globe.

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