c++ - gmtime() 和 mktime() 中的 gm 和 mk 代表什么？

Question

我尝试在线搜索，但很难找到任何相关答案，因为结果页面被 mk/gmtime 函数文档淹没。

Answer 1

gmtime -GMT (UTC)时间

Greenwich Mean Time (GMT) originally referred to the mean solar time at the Royal Observatory in Greenwich, London, which later became adopted as a global time standard. It is for the most part the same as Coordinated Universal Time (UTC)

mktime - 腾出时间

convert broken-down time into time since the Epoc