" Days of Future Past " is a comic book storyline published in Uncanny X-Men in 1981.

Days of Future Past may also refer to:

• "Days of Future Past", a two-part first season episode of X-Men: The Animated Series
• X-Men: Days of Future Past , a 2014 science fiction superhero film based on the comics storyline
• Days of Future Passed , a 1967 album by the Moody Blues
• A song on the album 2021 Senjutsu by Iron Maiden
• "Passed the Future", a storyline in the science fiction comedy webtoon series Live with Yourself!

This disambiguation page lists articles associated with the title Days of Future Past.
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