Date Difference

Calculates days, weeks, and months between two calendar dates.

Day difference (exclusive)

220

Weeks

31,43

Exclusive: whole days between dates (1 Jan → 2 Jan = 1 day). For inclusive day count use “Number of days”.

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Formula

day difference (exclusive) = |date₂ − date₁| whole days; 1 Jan → 2 Jan = 1

Example: 2026-01-01 to 2026-08-09 = 220 days (exclusive)

Methodology

Exclusive whole calendar-day difference between two dates (1 Jan → 2 Jan = 1). For inclusive count use Day Count.

Example

1 Jan 2026 to 31 Mar 2026 = 89 days (exclusive).

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