Date DiffCalculator

Days between dates · years / months / days · exact totals · timezone aware

Timezone
Date Difference
The difference is recalculated automatically as you type.
Result
Difference
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Pick a start and end date to see the difference.
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Calendar + exact

Get a years / months / days breakdown plus exact totals down to the second.

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Date or datetime

Switch between date-only precision and full date-and-time precision.

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Timezone aware

Calculate across 20+ common timezones with automatic DST handling.