Bỏ qua để tới nội dung chính
Đăng nhập với Microsoft
Đăng nhập hoặc tạo một tài khoản.
Xin chào,
Chọn một tài khoản khác.
Bạn có nhiều tài khoản
Chọn tài khoản bạn muốn đăng nhập.
Tiếng Anh
Chúng tôi rất tiếc. Bài viết này không có bằng ngôn ngữ của bạn.

Quickly find the difference between two times, control the format of the result, and extend the calculation to a list of times. For example, you can quickly subtract one time from another time, or calculate the duration of agenda items for a meeting.

Use the provided sample data and the following procedures to learn how to calculate times for a meeting agenda.

Copy the sample data

To better understand the Subtract times function, copy the following sample data to cell A1 on a blank worksheet.

  1. Open a blank workbook or worksheet.

  2. Select the following sample data, including the headings.

    Agenda

    Start time

    End time

    Duration

    Introduction

    8:45 AM

    10:35 AM

    Brainstorm

    10:35 AM

    3:30 PM

    Summarize

    3:30 PM

    4:35 PM

    Debrief

    4:35 PM

    5:00 PM

  3. Press The Command button on macOS.+ C .

  4. In the worksheet, select empty cell A1, and then press The Command button on macOS.+ V .

    Note: Do not select the row or column headings in the blank sheet (1, 2, 3...  A, B, C...) when you paste the sample data.

    Pasting sample data in a blank sheet

    Select sample data

Calculate the number of hours and minutes between two times

  1. Select cell D2, which is the first blank cell in the Duration column if you copied the column headings to your worksheet along with the sample data.

  2. On the Formulas tab, click Text > TEXT.

    On the Formulas tab, click text.

    =TEXT() appears in the cell.

  3. In the Formula bar, place your cursor inside the (), click value, and then type C2-B2.

  4. Inside the (), click format_text, and then type "h:mm", including the quotation marks, to format the result as hours and minutes.

  5. Press RETURN .

    The result is 1:50 (1 hour, 50 minutes).

  6. Select cell D2.

  7. To copy the formula into the remaining rows, drag the fill handle   Fill handle.

    Excel adjusts the cell references automatically to include the correct values for each row.

    Tips: 

    • See TEXT function to learn more about this formula.

    • If you use both a format that is applied with the TEXT function and a number format, the TEXT function takes precedence.

Additional formula examples

To try the examples, copy the following table to any blank part of the sheet that contains the sample data, and then click the formula cells to see how the formula is constructed in the Formula Builder.

Formula

Description (Result)

=TEXT (C3-B3,"h")

Hours between two times with the cell formatted as "h" (4)

=TEXT (C3-B3,"h:mm")

Hours and minutes between two times with the cell formatted as "h:mm" (4:55)

=TEXT (C3-B3,"h:mm:ss")

Hours, minutes, and seconds between two times with the cell formatted as "h:mm:ss" (4:55:00)

=INT ((C3-B3)*24)

Total hours between two times (4)

= (C3-B3)*1440

Total minutes between two times (295)

= (C3-B3)*86400

Total seconds between two times (17700)

=HOUR (C3-B3)

Hours between two times, when the difference does not exceed 24 (4)

=MINUTE (C3-B3)

Minutes between two times, when the difference does not exceed 60 (55)

=SECOND (C3-B3)

Seconds between two times, when the difference does not exceed 60 (0)

See also

Subtract dates

Show dates as days of the week

Insert and format the current date and time

Bạn cần thêm trợ giúp?

Bạn muốn xem các tùy chọn khác?

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Thông tin này có hữu ích không?

Điều gì ảnh hưởng đến trải nghiệm của bạn?
Khi nhấn gửi, phản hồi của bạn sẽ được sử dụng để cải thiện các sản phẩm và dịch vụ của Microsoft. Người quản trị CNTT của bạn sẽ có thể thu thập dữ liệu này. Điều khoản về quyền riêng tư.

Cảm ơn phản hồi của bạn!

×