Welcome to the First Column IT Tech Blog

HomeBlog
How to Get Your Spreadsheets to Accurately Add Time

How to Get Your Spreadsheets to Accurately Add Time

September 9, 2024

Handling time calculations in a spreadsheet can often feel frustrating—especially when you’re just trying to add them up. Luckily, both Microsoft Excel and Google Sheets have built-in functions specifically designed for this purpose, making the process more manageable.

Here’s a quick guide to help you get started, no matter which spreadsheet program you use.

How to Use the Dynamic Time Function for Time Calculations

While relying on a specialized formula to add times may seem complex at first, it actually gives you more precise control over your calculations, ensuring your time sums are both accurate and practical.

To use the Dynamic Time Function, you need to start with an initial time value. Let’s say we use 12:00:00 AM, ensuring the data is formatted as "Time." In Excel, this can be adjusted from the Home menu in the dropdown box above Number, while Google Sheets has the adjustment in the Format menu, where you find the Number option and Time can be selected.

Now, let’s break down the formula. For simplicity, we’ll assume we’re working in row one, starting with cell A1:

=A1+TIME(0,0,0)

In this formula, A1 contains your starting time, while the TIME function breaks the adjustments into hours, minutes, and seconds. Since we haven’t made any changes yet, both A1 and the result cell would show 12:00:00 AM.

Next, you’ll want to replace the zeroes in the formula with actual time values. These values can be drawn from other cells to sum up the total time. Your formula might then look like this:

=A1+TIME(B1,C1,D1)

Here, B1, C1, and D1 represent the number of hours, minutes, and seconds you want to add to the time in A1. For example:

If A1 starts at 12:00:00 AM, and B1, C1, and D1 are populated with 2, 4, and 6, your result will be 2:04:06 AM.

If B1 is 9 and D1 is 38, your final time will be 9:04:38 AM.

It might feel tricky at first, but once you get the hang of it, the Dynamic Time Function can be a powerful tool—whether you’re calculating deadlines or estimating the completion of tasks or processes.

Return to our blogs soon for more great tips and tricks using some of today’s most popular productivity tools like Microsoft Excel.

Previous Post
April 18, 2025
Why Physical Security Matters for Your Business
Are you making security a priority for your business? While it’s one thing to protect your network, it’s another to protect your business’ physical location. If you don’t implement processes and solutions to secure your office, you might be in a position where someone could steal equipment, data, or worse. Here are some ways to prioritize physical security for your business, too.
April 16, 2025
You Should Enjoy the Benefits of the IoT
The Internet of Things (IoT) is becoming one of the most exciting tech trends out there, but it is difficult to know where to start. It means using Internet-connected smart devices to help businesses run better. Some companies think IoT is too expensive or too complicated, but when done right, it can actually save a lot of money and make things work smoother. Let’s break down how businesses are using IoT and why it’s totally worth it.
April 14, 2025
There are a Lot of Layers to a Solid IT Strategy
Running a small business is already a juggling act. Now toss managing IT into the mix and watch the balls start to bounce in every direction. IT for small businesses isn’t just plugging in a few computers and setting up Wi-Fi. It’s an ever-growing web of systems, tools, security measures, and the occasional mysterious error message that nobody understands. Let’s take a look at some of the things that every small business owner needs to look at as far as their technology is concerned.

Have a project in mind?

Start with our free consultation. We will provide a detailed proposal and firm quote based on your specific IT support needs. All at a predictable monthly cost per seat.
Free Consultation - Sign Up Here