1.a period of time equal to 1/24th of a day;
the job will take more than an hour
2.clock time;
the hour is getting late
3.a special and memorable period;
it was their finest hour
4.distance measured by the time taken to cover it;
we live an hour from the airport
hour函数 Microsoft Excel 中 HOUR函数,返回时间值的小时数。即一个介于 0 (12:00 A.M.) 到 23 (11:00 P.M.) 之间的整数。语法 HOUR(serial_number)语法参数 Serial_number 必需。一个时间值,其中包含要查找的小时。时间有多种输入方式:带引号的文本字符串(例如 "6:45 PM")、十进制数(例如 0.78125 表示 6:45 PM)或其他公式或函数的结果(例如 TIMEVALUE("6:45 PM")。