Days Between Dates
Find the exact number of days, weeks, and months between any two dates. Toggle between all days or working days only.
How does the Date Difference Calculator work?
Select a start date and an end date. The calculator instantly shows the exact gap in days, weeks, months, and years. Toggle between counting all calendar days or working days only — useful for project planning and business deadlines.
Common uses
What counts as a working day?
Working days are Monday through Friday. The calculator does not exclude public holidays as these vary by country — subtract any holidays in the range manually for a precise business day count.
Does the order of dates matter?
No — the calculator always returns a positive number regardless of which date comes first.
Does it work offline?
Yes. All calculations run locally in your browser — no data is sent to a server. Once the page has loaded, the calculator works without an internet connection. Use it on a plane, in the underground, or anywhere with no signal. Nothing you enter is stored or shared.
When is a date difference calculator useful?
Counting days between dates comes up more often than you'd think. Common real-world uses include calculating your notice period when resigning from a job, checking visa validity duration, finding the number of working days in a billing cycle, verifying loan tenure in days, tracking how many days remain in a fixed deposit, or simply planning how many days until a trip or event. The working days toggle makes it especially useful for HR, finance and legal professionals who need to exclude weekends from their counts.