calculates difference between two dates · from excel · excel: not yet compared · sheets: not yet compared

signature

DATEDIF(start_date, end_date, unit)

returns: number

argument	required
start_date	required
end_date	required
unit	required

examples

formula and result, taken from the engine's own test suite — every result below is asserted in CI, not written by hand.

errors

error values observed from the engine — each with a call that produces it.

error	produced by
#VALUE!	=DATEDIF(DATE(2026,1,15), DATE(2026,1,15), 2)

related

• DATE creates date from year, month, day
• DATEVALUE converts date text to serial number
• DAY returns day of month from date
• DAYS returns number of days between two dates
• DAYS360 returns days between dates on 360-day year
• EDATE returns date shifted by given months