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# HOUR

傳回指定時間值的小時。 小時會以 0 和 23 之間的整數傳回。

This function is part of the Open Document Format for Office Applications (OpenDocument) standard Version 1.2. (ISO/IEC 26300:2-2015)

### 語法

HOUR(serial_number)

serial_number 是一個作為時間值的十進位數字，源自小時數計算。

### 範例

=HOUR(NOW()) 傳回目前的小時

若 C4 的內容 = 17:20:00，則 =HOUR(C4) 會傳回 17。

相關主題

HOUR wiki page.

Date & Time Functions

DATE

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DATEVALUE

DAY

DAYS

DAYS360

DAYSINMONTH

DAYSINYEAR

EASTERSUNDAY

EDATE

EOMONTH

HOUR

ISLEAPYEAR

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MINUTE

MONTH

MONTHS

NETWORKDAYS

NETWORKDAYS.INTL

NOW

SECOND

TIME

TIMEVALUE

TODAY

WEEKDAY

WEEKNUM

WEEKNUM_ADD

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WEEKS

WEEKSINYEAR

WORKDAY

WORKDAY.INTL

YEAR

YEARFRAC

YEARS