OCN is a three letter abbreviation that stands for: 1  OCLC Control Number, a bibliographic record identifier. 2  In Oncology nursing, an Oncology Certified Nurse. 3  Opaskwayak Cree Nation. 4  Open College Network.
Autumn is from September to November and is characterised by light breezes and cooler temperatures of around 46-50ÂºF. Itâs during autumn that many exhibitions, music concerts and sports tournaments are held in Japan.
November is one of the best times to visit Japan, as the weather is relatively dry and mild, and the autumn colors are spectacular in many parts of the country.any shops, restaurants and tourist attractions are closed for at least one day between December 29 and January 4. Read more about visiting Japan during New Year. The remainder of January is a good time for visiting Japan, as the weather is usually sunny and dry and sightseeing spots are not crowded.