Meaning ofcalendar yearin English

Noun

1. 365/366 days in a Gregorian year
2. time from January 1 to December 31
   Synonyms:

   fiscal yearyeartwelve months
3. period between corresponding dates in adjacent years
   The company's fiscal calendar year starts on January 1st.
   Synonyms:

   fiscal yeartax yearyeartwelve monthsannual period
   Antonyms:

   lifetimecenturymillenniumdecade