使用countifs將2個時段條件設定進去就可以了,不過因為沒有日期適存時間要多加一個輔助欄位判斷第二天,範例:=IF(B2>A2,B2,B2+1)人數計算:時間可以自己改,原本設定整點,但看到有人遲到所以多加15分寬限時間,8-12=COUNTIFS($A:$A,"<=8:15",$C:$C,">=12:00")13-17=COUNTIFS($A:$A,"<=13:15",$C:$C,">=17:00")18-00=COUNTIFS($A:$A,"<=18:15",$C:$C,">=24:00")00-02=COUNTIFS($A:$A,"<=24:15",$C:$C,">=26:00")02-06=COUNTIFS($A:$A,"<=26:15",$C:$C,">=30:00")P.S.:你們這是什麼血汗工廠嗎?看到好幾個8點上班凌晨12點下班,一堆工作時數16小時。