How to Calculate Year Fraction with 360-Day Calendar?
Understanding the fraction of a year between two dates is crucial in finance, and this formula simplifies that process using a 360-day calendar.
Formula Genius can generate a draft from a plain-English prompt. Supported formulas can be checked with sample cases; review the coverage on the result.
The formula
"Calculate the fraction of a year between two dates using a 360-day calendar, common in finance"
=DAYS360(start_date, end_date, [method])This formula calculates the fraction of a year between two dates based on a 360-day year convention.
Step-by-step breakdown
- Step 1: Input the start_date as the first date from which you want to calculate.
- Step 2: Input the end_date as the second date to which you want to calculate.
- Step 3: Optionally, specify the method (TRUE for US method, FALSE for European method).
- Step 4: The formula computes the difference in days and divides it by 360 to get the year fraction.
Edge cases & warnings
- Using dates that fall on leap years may yield unexpected results.
- Entering the same start and end date will return 0, indicating no time has passed.
- If the start date is after the end date, the formula will return a negative fraction.
- Using non-date values will result in an error.
Examples
"Start Date: 01/01/2023, End Date: 01/01/2024"
1"Start Date: 01/01/2023, End Date: 07/01/2023"
0.5Frequently asked questions
What is the difference between the US and European methods?
The US method assumes that February has 30 days, while the European method does not.
Can I use this formula for dates in different years?
Yes, the formula works across different years as long as the dates are valid.
What happens if I input invalid dates?
The formula will return an error if the dates are not in a valid date format.
Can't find what you need?
Describe a formula in plain English. Formula Genius drafts and explains it, and can check supported formulas on sample cases.