Upgradedzero on Instagram: "How to Use DATEDIF Function in Excel – Calculate Age, Tenure or Date Difference Explore how to use the DATEDIF function in Excel to find the difference between two dates in years, months or days. This function lets you calculate age from a date of birth, tenure from a joining date or simply measure the time between any two dates. Perfect for HR sheets, financial dashboards and data analysis workflows. The formula syntax is: =DATEDIF(start_date, end_date, “unit”) where