It is used to calculate Jewish festivals and Holy days.

它用于计算犹太节日和神圣的日子。

youdao

Everyone cleans their houses ready for the three holy days of Christmas — Christmas Eve, Christmas day, and Boxing day.

每家每户都清扫各自的房屋以迎接圣诞节的三个圣日- - - - - -圣诞夜、圣诞日和节礼日。

youdao

The Church gives us the obligation to attend Sunday Mass and Mass on Holy Days because this is a part of the very necessary minimum required to sustain and nurture our relationship with God.

教会订立参与主日和圣日弥撒的规定﹐是为了维系和培育我们和天主的关系而设置的最低要求。

youdao

There are also non-Christian holy days around this time of year.

VOA: special.2011.04.22

Then there are certain holy days: and they are separated and demarcated from common time by special rules that mark them as different.

然后是一些神圣日：,和普通的时间,被一些特殊的判定它们不同的规则所区分开。

耶鲁公开课 - 旧约导论课程节选

In those days, religious workers cared for sick travelers at shelters near holy places.

VOA: special.2010.05.04

Candles became important parts of religious ceremony, their lighting used to mark holy days and accompany prayer.

FORBES: Magazine Article

After the planned sneak preview in mid-June, religious services are to resume in time for High Holy Days in September.

NPR: $150 Million Reboot For Hollywood Temple To Stars

Although people bathe every day throughout the festival, there are three especially holy days when bathing brings even greater merit.

BBC: India hosts the world��s biggest gathering