Free Days Between Dates

NToolHub’s Days Between Dates calculator answers how long until — or since — any date. Enter two dates and get the exact day count plus weeks, calendar months, years, hours, and minutes. Plan trips, track project timelines, count down to events, or settle debates with DST-safe math.

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Private by design. This tool runs 100% in your browser — nothing is uploaded to any server.

How to Use the Days Between Dates

  1. Pick a start date and an end date.
  2. Toggle “include end date” for an inclusive count.
  3. Click “Calculate Difference” for days, weeks, months, and more.

Features

Exact day counts using UTC-based math immune to daylight-saving quirks, automatic date-order correction, optional inclusive end-date counting, and conversions to weeks, calendar months, years, hours, and minutes.

Benefits & Use Cases

Project managers get precise durations, travelers count down trips, and HR teams verify employment lengths. The inclusive-count option matches how most people count deadline spans.

Tips

Enable include end date when counting deadline spans like a 30-day trial. Dates can be entered in either order — the tool sorts them automatically. For working days only, use the Business Days Counter.

Frequently Asked Questions

Does it count the end date?

By default, no. Enable the include end date option for an inclusive count, which adds one day.

Why use UTC math?

Daylight saving transitions make some calendar days 23 or 25 hours long. UTC-based calculation counts calendar days correctly regardless.

Can I compare past dates?

Yes. Any two dates work, past or future, in either order.

How are months calculated?

Calendar months between the dates, adjusted when the end day is earlier in the month than the start day.

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