GEK1506 Heavenly Mathematics & Cultural Astronomy, Tutorial
9
- The Mid-Autumn Festival will always fall between 8/9 and 8/10.
In 2005 it fell on 18/9. When do you think it fell in 2006?
- Why was it necessary for the Chinese to have more than one hundred
calendar reforms, while there were only two in the West?
- What are the three criteria MUIS looks at when determining the
the start of the Muslim month in Singapore?
- Will the true Sun be ahead of or behind the mean Sun in November?
- Give an estimate for the dates of the earliest/latest sunrise
and earliest/latest sunset in Beijing.
- What are the dates of the earliest/latest
sunrise and earliest/latest sunset in Singapore.
Helmer Aslaksen
Department of Mathematics
National University of Singapore
aslaksen@nus.edu.sg