Assuming a full cycle in 23,000, this means that the height of summer gets later every year by approximately 23 minutes (or 1 day every 63 years).

Assuming a full cycle in 23,000, this means that the height of summer gets later every year by approximately 23 minutes (or 1 day every 63 years). Currently, in the Nothern Hemisphere we experience the height of summer (in terms of radiation) on June 21st. When will the height of summer be for the Northern Hemisphere in the Following years: A.D. 3000; A.D. 10,000; A.D. 5000; A.D. 13,507