How do I use the date difference calculator?
- Enter the start date.
- Enter the end date.
- Read the difference in years, months and days, and the totals.
Date difference calculator: frequently asked questions
Is the end date included?
No. Like most date calculators, it counts the days from the start up to the end date. Add one day to include it.
How do I calculate length of service for gratuity?
Enter your joining date and last working day. Use the years figure, plus the fraction of the current year, in our gratuity calculator.
How are months counted?
Calendar months: from the 15th of one month to the 15th of the next is one month, whatever the month length.
Does it handle leap years?
Yes. Total days are counted from the calendar, including 29 February.
Can I calculate my age?
Yes. Enter your date of birth and today’s date.
What if I enter the dates the wrong way round?
The calculator swaps them and tells you.
Can I count working days instead?
Use our working days calculator to skip weekends and holidays.
What time zone does it use?
It works with whole calendar dates, so time zones do not affect the result.
Is this estimate a quote?
No. It is a planning estimate based on your inputs. We provide a fixed quote after a short call.
Is the date difference calculator free?
Yes. It is free with no sign-up and no usage limits for normal use.