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IQ Brain Teaser #169 In 13,000 years, the Northern Hemisphere will have summer in December, January, and February. In another 13,000 years, it will return to what it is now. What is this 26,000-year cycle called? recession procession precession precision preseason duohexantury duahexentury duodecimal system dynamic duo eschatological view results Back to top | Back to Main Page of Puzz.com - IQ Tests, Puzzles, Games & Contests ©2025 Puzz.com, LLC & respective partners. All rights reserved. Our IQ tests are for entertainment purposes only. Privacy Policy