Orthodox Christmas is observed on January seventh, based on the Julian calendar.

VOA: special.2009.12.21

You'll find that those events as they get approved and start getting proposed by your classmates, they'll start appearing on the calendar as well in their respective categories.

你将会发现随着那些事情渐渐被认可,你的同学也开始推荐它们，它们也将开始在日历,和各自的分类中出现。

哈佛公开课 - 计算机科学课程节选

The first step in the process is when I was Deputy WHCF, that I put on the wall a big white board calendar.

程序的第一步是,当我还是办公室副主任，我在墙上安了个,白色的日历板。

普林斯顿公开课 - 国际座谈会课程节选

The Laureus awards are widely regarded as the premier honors on the international sporting calendar and nominees are selected by leading sports journalists in over 100 countries.

VOA: standard.2010.02.11

We'd step back and look at the calendar and say are we living up to that, mandate to us to put the president to focus on these things.

我们会纵观整个日历,看看我们是不是做到了，是不是让总统,都集中处理这些事。

普林斯顿公开课 - 国际座谈会课程节选