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Briefly explain the difficulties facing ancient agricultural societies
when defining a formal administrative calendar.
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[2] |
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Distinguish between lunar, solar and lunisolar calendars.
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[1.5] |
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Explain, giving examples, the astronomical methods that
can be used to regulate lunisolar calendars.
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[3] |
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What is the saros cycle? Explain the relevance of the saros
to the regulation of lunisolar calendars.
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[1.5] |
Explain carefully any one of the following:
- the origins of our own (Gregorian) calendar;
- the Islamic calendar;
- the Persian solar calendar.
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[2] |
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[2007 Q1.]
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