How to Add 1 Hour to Time in Excel (7 Examples)

Example 1 – Applying Conventional Formula

Steps:

Enter the following formula in Cell D5.

=C5+(1/24)

How to Add 1 Hour to Time in Excel by Applying Conventional Formula

Press Enter and use the AutoFill tool to apply the formula to the entire column.

The output will be as shown in the image below.

Read More: Add 8 Hours to Time in Excel

Example 2 – Using TIME Function

Steps:

Enter the following formula in Cell D5 and press Enter.

=C5+TIME(1,0,0)

Using TIME Function to Add 1 Hour to Time in Excel

Use the AutoFill tool to complete the column.

You will get the desired output.

Example 3 – Combining TIME and MOD Functions

Steps:

Enter the following formula in Cell D5 and press Enter.

=TIME(MOD(1,24),0,0)+C5

Combining TIME and MOD Functions to Add 1 Hour to Time in Excel

Formula Breakdown

MOD(1,24) returns the value 1.
TIME(MOD(1,24),0,0) function takes the output of the previous function as the main text and returns 1:00 as the time format.
TIME(MOD(1,24),0,0)+C5 function returns the final output.

Apply the formula to the complete column by using the AutoFill tool.

The output will be as shown in the image below.

Example 4 – Adding 1 Hour to Time for a List of Date Time

Steps:

Enter the following formula in Cell D5 and press Enter.

=C5+(1/24)

Adding 1 Hour to Time for a List of Date Time

Use the AutoFill tool to complete the column.

The output will be as shown in the image below.

Example 5 – Adding 1 Hour to Time for Less Than 24 Hours

Steps:

Enter the following formula in Cell D5 and press Enter.

=C5+(1/24)

How to Add 1 Hour to Time for Less Than 24 Hours

Use the AutoFill tool to complete the column.

The result will be as shown in the image below.

Example 6 – Adding 1 Hour to Time Over 24 Hours

In this part, we will add the Order Time with the time 1 hour to get the Delivery Time of the products. But the final results after summing up will be over 24 hours. For this reason, we have changed the order time as shown in the image below.

Sample Dataset for Adding 1 Hour to Time Over 24 Hours

Steps:

Enter the following formula in Cell D5 and press Enter.

=C5+(1/24)

How to Add 1 Hour to Time Over 24 Hours

Use the AutoFill tool to complete the column.

The result will be as shown in the image below.

Example 7 – Embedding VBA Code

A VBA code can help you add 1 hour to time in Excel. We have changed the sample dataset for this demonstration.

Embedding VBA Code to Add 1 Hour to Time in Excel

Steps:

Press the Alt+F11 keys in Excel and open the Microsoft Visual Basic Applications window.
Click the Insert button and click on Module from the menu to create a module.

A new window will open. Enter the following VBA macro.

Function Houraddition(value As String, x As Integer) As String
'ExcelDemy Publications
Dim dt1 As Date
dt1 = CDate(value)
dt1 = DateAdd("h", x, dt1)
Houraddition = Format(dt1, "m/d/yy hh:mm AM/PM")
End Function

VBA Code to Add 1 Hour to Time in Excel