द्व्ययनः संवत्सरः ॥ कZ_०२.२०.६३ ॥
dvy-ayanaḥ saṃvatsaraḥ
一个 saṃvatsara(年)由两个 ayana(半年)组成。
It provides a clean fiscal and operational framework for semiannual planning, reporting, and performance review.