Elapsed and inclusive counts
Elapsed days count the gap between dates. Inclusive days count both the start and end dates.
Date difference calculator
Count days between deadlines, trips, renewals, and milestones with an inclusive-day total when you need it.
Date difference calculator controls
Uses calendar dates only, so daylight saving time does not change the day count.
Sample dates loaded.
Week breakdown
The result includes whole weeks plus remaining days for easier planning language.
Calendar dates only
The calculator uses date-only math so daylight saving changes do not affect the result.
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