Days Between Dates Calculator
Calculate the total number of calendar days between two dates. This calendar helper counts the days elapsed between a starting and ending date.
Formula & Math Logic
Days = Absolute difference in milliseconds / (1000 * 60 * 60 * 24).
Worked Calculation Example
Jan 1, 2026 to Dec 31, 2026
The count of calendar days spanning the full year of 2026 is 364 days (excluding end date).
Frequently Asked Questions (FAQ)
Does this include the end date in the total count?
By default, calendar math counts the nights or difference (end date minus start date), excluding the final date itself.
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