tax year
The historical year begins on 1 January, and thus coincides with the Roman civil year, which was widely used until at least the seventh century.
Nisan Abib is the seventh month of the modern Jewish civil year.
The first day of the seventh moon was most solemn of all for the Hindus, being not only the first of the moon, but of the civil year.
The civil year was divided into three conventional "seasons" - called time of inundation, sowing time, and harvest time.

SMART Vocabulary: related words and phrases

Years & yearly
academic year
ad
Anno Domini
annual
annually
bissextile
calendar year
CE
centenary
church year
interannual
Julian calendar
leap year
liturgical year
millennial
year end
year's end
year-around
year-round
yearly