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How to add/subtract half year/month/hour to date or time in Excel?

To add year, month or hour to date or time is usual in our Excel daily work. Have you ever tried to add half a year, month, or hour to date or time? Here I introduce the tricks to handle with this job.

Add half year/month/hour to date or time with formulas

Add/subtract half year/month/hour to date with Kutools for Excel

arrow blue right bubble Add half year/month/hour to date or time with formulas

Here I introduce the formula to help you add half year/month/hour to date or time cell.

Operation Formulas
Add half year =DATE(YEAR(A1),MONTH(A1)+6,DAY(A1))
Add half month
Add half hour =A1+1/48

Select a cell, and paste one formula as your need from above table, here, I paste =DATE(YEAR(A1),MONTH(A1)+6,DAY(A1)) into a blank cell, B1, and press Enter key to get the result, and if you need you can drag the formula down to fill below cells.

doc add half year 1
doc add half year 2

Tip: Within above formulas, A1 is the cell you want to use, you can change it as you need.

arrow blue right bubble Add/subtract half year/month/hour to date with Kutools for Excel

To remember above formulas may be somewhat annoy for you. However, with Kutools for Excel’s Formulas function group, you can quickly add or subtract half year, month or hour to date or time without remember formulas.

Kutools for Excel, with more than 300 handy functions, makes your jobs more easier. 

After free installing Kutools for Excel, please do as below:

1. Select a cell to output the calculate result, and click Kutools > Formula Helper > Date & Time helper. See screenshot:

doc add half year 3

2. In the Date & Time Helper dialog, check Add or Subtract option as you need, and click doc select from Enter a date or select a date formatting cell to select a cell you want to use, and in the Enter number or select cells which contain values you want to add(subtract) section, specify the years, months or hours, minutes you wnat to add. Here, I enter 6 into the textbox of Month. You can previwe the caculated result in Result section. See screenshot:

doc add half year 3

3. Click OK. And then drag the auto fill handle down to the cells you need.

doc add half year 3

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Comments (3)
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I want to subtract 4 and half months (4.5) from today date in Excel.. Pl share the formula
This comment was minimized by the moderator on the site
Hi, Bhanu, try this formula: =DATE(YEAR(TODAY()),MONTH(TODAY())-INT(4.5),DAY(TODAY())-MOD(4.5,1)*30)
This comment was minimized by the moderator on the site
ik wil voor een project waar 2 werkweken voor staan, waarvan 8 uren per werkdag. in excel zetten met 30 minuten per cel. wat is de formule daar van?
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