Date Duration Calculator API — Calculate Time Between Two Dates
Calculate the duration between two dates in years, months, weeks, days, hours, minutes, and seconds. Free API.
What is Duration Calculation?
Duration calculation computes the exact time between two dates and returns the result broken down into years, months, weeks, days, hours, minutes, and seconds. It also returns the total in each unit for flexibility.
How to Use It
Call GET /api/v1/duration-calculator?from=2026-01-01&to=2026-06-01. Returns { from: string, to: string, duration: { years: number, months: number, weeks: number, days: number, hours: number, minutes: number, seconds: number }, total_days: number, total_hours: number }.
Try it live
Test this endpoint in the interactive console
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Frequently Asked Questions
What date formats are supported?
ISO 8601 date formats (YYYY-MM-DD) and ISO 8601 datetime formats (YYYY-MM-DDTHH:mm:ss).