Same as adding three months - as in 12 - 9 = 3 so 21st of August answer.
The seasons differ by six months between the northern and southern hemispheres. The spring season is from about March 21st until June 21st in the northern hemisphere and from September 21st until December 21st in the southern hemisphere.
21st November 1952 was a Friday.
21st of November 1984 was a Wednesday.
21st of November 1968 was a Thursday.
First day of Summer is in June, first day of Winter is in November.
November 21st, 1978 fell on a Tuesday.
yes it is bank holiday on the 21st of november 2011
In the northern hemisphere, including the U.S., fall begins in September and ends in December.
May 21st through June 21st.
In the Northern Hemisphere, the summer months are between June 21st and September 21st. Germany is in the Northern Hemisphere.
The 21st of November is five weeks before it and the 30th of January is 5 weeks after it.