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函數 Microsoft Excel 中 HOUR函數,返回時間值的小時數。即一個介于 0 (12:00 A.M.) 到 23 (11:00 P.M.) 之間的整數。語法 HOUR(serial_number)語法參數 Serial_number 必需。一個時間值,其中包含要查找的小時。時間有多種輸入方式:帶引號的文本字符串(例如 "6:45 PM")、十進制數(例如 0.78125 表示 6:45 PM)或其他公式或函數的結果(例如 TIMEVALUE("6:45 PM")。