🎂 The Secret Calculator

HIDDEN FUNCTION

Goal: Calculate the difference between Jan 1, 2020 and Apr 1, 2023.
DATEDIF finds the duration in Years, Months, or Days.

Start: 2020-01-01 End: 2023-04-01
Ready...

💻 Formula Structure

=DATEDIF(start_date, end_date, unit)
  • 1. Start/End: The date range.
  • 2. Unit: "Y" (Years), "M" (Months), "D" (Days).
  • 3. Remainder: "YM" (Months excluding years), "MD" (Days excluding months).
-- Select a unit...
...
Difference:
-

⚠️ The "Ghost" Function

🚫 No Tooltips
When you type =DATEDIF(, Excel will not show the usual helper tooltip. You must memorize the syntax!
🚫 "MD" Bug
Avoid the "MD" unit (Days excluding Months). It has a known calculation bug in Excel. Use simple subtraction for days if needed.