uk/ˈkæləndər/ us A2 [ C ] something that shows all the days, weeks, and months of the year
календарь the Christian/Jewish/Western, etc calendar the system used to measure and arrange the days, weeks, months and special events of the year according to Christian/Jewish/Western, etc tradition
христианское/ еврейское/западное и т. д. летосчисление the political/school/sporting, etc calendar the events that are arranged during the year for a particular activity or organization
календарь политической/школьной/спортивной и т. д. жизни