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MCQBeginnerCelestial Coordinates & Time
USAAAO — 2025 First Round
Question 28
Suppose leap days were removed from the calendar, so that each calendar year has exactly 365 days. In the first year of this calendar change, summer solstice is on June 21st. After 100 years of this calendar, what is the date of summer solstice?
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Source
USAAAO 2025 First Round, Question 28. Question text, choices, and answer were transcribed from the official USAAAO exam and solutions PDFs.