Days Between Dates Calculator
Enter two dates to see the total days, weeks, months and years between them, plus how many weekends and weekdays fall in that range.
Check your input
Please enter both dates.Formula
Days = (end date − start date) ÷ 86,400,000 ms, rounded to whole days
Example
Input
1 Jan 2026 → 31 Jan 2026
Result
30 days
Frequently asked questions
By default no — 1 Jan to 2 Jan is 1 day. Switch the inclusive option on to count both endpoints.
Using UTC avoids daylight-saving changes adding or removing an hour, which can otherwise shift the result by a day.
The first result counts all calendar days. The weekday and weekend breakdown is shown beneath it.
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