英语 a calendar year怎么翻译？

a calendar year

英[ k?lind? j?:] 美[e ?k?l?nd? j?r]

[词典] 年，历年;

[例句]Every sheetz employee who clocks 1,000 hours in a calendar year becomes an owner of the company through its stock ownership plan.

同一个自然年中打卡时间满1000小时以上的员工按照员工持股计划可成为公司的股东。