Certainly, some of the facts at hand are valid; for example, the Maya did have a Long Count calendar, pole-shift theory does exist, and solar activity does wax and wane.

当然，有些事实证据是有效的，比如玛雅人的确有一个长记历的历法，地磁反转理论也的确存在，太阳活动的确在减弱等等。

youdao

This calendar is a hybrid solar and lunar calendar.

这个日历将太阳历和月亮历相混合。

youdao

From 1949, when January 1 of solar calendar was formally confirmed as New Year's Day, the number of people named Yuandan increased significantly.

自1949年，国历1月1日被正式确立为新年第一天起，用元旦来取名的人的数量就明显增加了。

youdao

It takes place on the nearest Friday to the seventeenth day of the month of Mehr, according to the solar-agricultural calendar.

UNESCO: Intangible Cultural Heritage

Until then, the Catholic Church branded as heretics scientific investigators who, like the 13th-century English friar Roger Bacon, calculated that the current calendar year was over-running the solar year by a whole day every 125 years.

ECONOMIST: Late for the date