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Days Until Calculator

Count down to any date — an event, a birthday, a deadline — down to the day.

Your date

Everything is counted from today, on your device. Past dates work too — you'll see how long ago they were.

Countdown

0 days
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📅 That's a—
🗓️ In weeks—
📆 In months & days—
💼 Working days (Mon–Fri)—
😴 Sleeps—
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How to count the days until a date

The number of days until an event is simply the target date minus today. This calculator does that instantly and breaks it down into weeks, months, and working days, so you can plan properly — whether it's a countdown to a holiday, an exam, a wedding, or a project deadline.

What are "working days"?

Working days count only Monday to Friday, skipping weekends — useful for estimating deadlines and delivery times. (Public holidays vary by country, so they aren't removed.)

Counting days since a past date

Pick a date in the past and the calculator tells you how many days ago it was — handy for anniversaries, "how long since…" questions, or tracking milestones.

Does it include today or the target day?

It counts full days from today to the target. If you need to include both endpoints (for example counting vacation days), add one.

Why does the day of the week matter?

Knowing the target lands on, say, a Saturday helps with planning events and travel. The calculator shows it automatically.

Need the gap between two dates instead?

Use the date difference calculator to count between any two dates, not just from today.

🧩 Add this calculator to your website

The Days Until (Countdown) is free to embed on any site, blog or intranet — no sign-up, no API key, no limits. Paste the code below and the live, fully working calculator appears on your page.

Adjust height if the calculator is taller or shorter than your layout. The credit line underneath is the only thing we ask in return — please keep it visible so your readers can find the full version.