April 1, April Fool's Day: A day for playful pranks and hoaxes celebrated worldwide. Also, Easter Monday in 2024 is on April 1 in Canada.

April 5, National Self-Care Day: Take steps to promote your physical and mental health.

April 10, World Siblings Day: A day to honor the special bond that siblings share.

April 22, Earth Day: A global day to support and advocate for environmental protection.

April 30, International Jazz Day: Recognizes jazz music's role in uniting people globally and promoting cultural dialogue.