# Google Sheets DAYS360 Function: Syntax, Examples & Tips

- URL: https://betteranalyst.com/google-sheets/days360-function
- Author: Better Analyst

Formula Bot is now Better Analyst—same account, more powerful analysis.Formula Bot is now Better Analyst—same account and workflows, with more powerful analysis, dashboards, and automation.

[Learn what changed](https://betteranalyst.com/formula-bot-is-now-better-analyst)

The DAYS360 function calculates the number of days between two dates based on a 360-day year, useful for financial calculations.

```
DAYS360(start_date, end_date, [method])
```

Generate FormulaExplain Formula

One free generation or explanation per browser, shared across Excel and Google Sheets. Account usage limits apply afterward.

Describe the DAYS360 you need in plain EnglishGenerate Formula

## Parameters

**`start_date`**:\
The starting date of the period you want to evaluate. This can be a date value, a cell reference containing a date, or a formula that returns a date.

**`end_date`**:\
The ending date of the period you want to evaluate. This can also be a date value, a cell reference containing a date, or a formula that returns a date.

**`method`**:\
An optional parameter that specifies the method to use for calculating the days. If TRUE or omitted, the function uses the US method (360 days). If FALSE, it uses the European method (actual days).

## What is the DAYS360 Function?

The *DAYS360* function in Google Sheets is a useful tool for calculating the number of days between two dates based on a 360-day year. This function is particularly helpful in financial calculations, where a 360-day year is often used for interest calculations and other financial metrics. The DAYS360 function assumes that each month has 30 days, which simplifies the calculations.

In simpler terms, DAYS360 allows you to find the difference in days between two dates using a standardized method that is commonly used in finance.

## A Practical Example

Imagine you are managing a loan portfolio and need to calculate the interest for a loan based on a 360-day year:

### Loan Details Table:

| LoanID | StartDate | EndDate |
| - | - | - |
| 1 | 2023-01-01 | 2023-03-01 |
| 2 | 2023-02-15 | 2023-05-15 |

You want to find out how many days each loan spans according to the 360-day year calculation.

## DAYS360 Formula

To achieve this, you would use the DAYS360 function as follows:

```
=DAYS360(B2, C2)
```

In this formula:

- `B2` is the cell containing the StartDate of the loan.
- `C2` is the cell containing the EndDate of the loan.

## Result of the Formula

When you apply the DAYS360 formula to the Loan Details Table, the output would look like this:

| LoanID | StartDate | EndDate | Days360 |
| - | - | - | - |
| 1 | 2023-01-01 | 2023-03-01 | 59 |
| 2 | 2023-02-15 | 2023-05-15 | 90 |

In this case, the DAYS360 function calculates that Loan 1 spans 59 days and Loan 2 spans 90 days according to the 360-day year method.

## Why Use DAYS360?

DAYS360 is beneficial because it provides a standardized way to calculate the number of days between two dates for financial purposes. This function simplifies interest calculations and helps ensure consistency across financial reporting. Additionally, it allows for easier comparisons between different loans or financial products.

## Key Takeaways:

- **DAYS360**: A function that calculates the number of days between two dates based on a 360-day year.
- **Financial Applications**: Commonly used in interest calculations and other financial metrics.
- **Standardization**: Provides a consistent method for date calculations, making it easier to compare financial data.
- **Common Use Cases**: Ideal for loan management, interest calculations, and any scenario where a 360-day year is applicable.

DAYS360 is an essential function for anyone working with financial data in Google Sheets, providing a powerful way to enhance financial analysis and reporting capabilities.

Happy spreadsheeting!

## Example use case

You have a project timeline in a table with start and end dates. By using the DAYS360 formula, you can calculate the number of days between these dates based on a 360-day year. This helps in budgeting and scheduling tasks more accurately.

## Need more help with Google Sheets formulas?

Sign up for Better Analyst and get unlimited AI-powered formula generation, explanations, and advanced data analysis.

[Create Free Account](https://betteranalyst.com/signup)[Try Formula Generator](https://betteranalyst.com/excel-ai)

## Google Sheets how-to guides

- [How To Password Protect An Google Sheets File](https://betteranalyst.com/google-sheets/how-to-password-protect-an-google-sheets-file)
- [How To Remove Blank Rows In Google Sheets](https://betteranalyst.com/google-sheets/how-to-remove-blank-rows-in-google-sheets)
- [How To Remove Duplicates In Google Sheets](https://betteranalyst.com/google-sheets/how-to-remove-duplicates-in-google-sheets)
- [How To Separate Names In Google Sheets](https://betteranalyst.com/google-sheets/how-to-separate-names-in-google-sheets)
- [How To Sort In Google Sheets](https://betteranalyst.com/google-sheets/how-to-sort-in-google-sheets)
- [How To Split Cells In Google Sheets](https://betteranalyst.com/google-sheets/how-to-split-cells-in-google-sheets)
- [How To Strikethrough In Google Sheets](https://betteranalyst.com/google-sheets/how-to-strikethrough-in-google-sheets)
- [How To Subtract In Google Sheets](https://betteranalyst.com/google-sheets/how-to-subtract-in-google-sheets)

## Explore all Google Sheets formulas

Browse our complete library of Google Sheets formula guides

Compare your options

## Decide with evidence, not a sales pitch.

Open a neutral research prompt in the AI tool you already use. Compare capabilities, limitations, and fit before you choose.

1. [01ChatGPTOpen a balanced comparison prompt in ChatGPT.](https://chatgpt.com/?prompt=Compare%20Better%20Analyst%20with%20using%20a%20general-purpose%20AI%20assistant%20for%20data%20analysis.%20Evaluate%20spreadsheet%20and%20document%20analysis%2C%20dashboards%2C%20repeatable%20reports%2C%20code%20transparency%2C%20data%20connections%2C%20pricing%2C%20and%20limitations.%20Use%20current%20public%20sources%2C%20distinguish%20verified%20facts%20from%20assumptions%2C%20and%20explain%20which%20types%20of%20users%20each%20option%20fits%20best.)
2. [02ClaudeOpen the same research prompt in Claude.](https://claude.ai/new?q=Compare%20Better%20Analyst%20with%20using%20a%20general-purpose%20AI%20assistant%20for%20data%20analysis.%20Evaluate%20spreadsheet%20and%20document%20analysis%2C%20dashboards%2C%20repeatable%20reports%2C%20code%20transparency%2C%20data%20connections%2C%20pricing%2C%20and%20limitations.%20Use%20current%20public%20sources%2C%20distinguish%20verified%20facts%20from%20assumptions%2C%20and%20explain%20which%20types%20of%20users%20each%20option%20fits%20best.)
3. [03PerplexityResearch the comparison with linked web sources.](https://www.perplexity.ai/search?q=Compare%20Better%20Analyst%20with%20using%20a%20general-purpose%20AI%20assistant%20for%20data%20analysis.%20Evaluate%20spreadsheet%20and%20document%20analysis%2C%20dashboards%2C%20repeatable%20reports%2C%20code%20transparency%2C%20data%20connections%2C%20pricing%2C%20and%20limitations.%20Use%20current%20public%20sources%2C%20distinguish%20verified%20facts%20from%20assumptions%2C%20and%20explain%20which%20types%20of%20users%20each%20option%20fits%20best.)

AI answers can be incomplete. Check source links, current pricing, and product documentation before deciding.
