● No sign-up · Instant · Free forever
How many days between two dates?
Pick two dates and get your answer instantly — plus the same tool for countdowns, business days, and age, all in one place.
Every date calculator, in one place
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Countdown Timer
Create a shareable countdown to any date or event.
📆
Days Between Dates
Exact days, weeks and months between two dates.
➕
Add or Subtract Days
Find the date N days before or after any date.
💼
Business Days Calculator
Count working days, skipping weekends automatically.
🎂
Age Calculator
Your exact age in years, months, days — or just days.
🎄
Days Until Christmas 2026
A ready-made countdown to this year's Christmas.
Ad placement — below the fold, never between input and result
Why ZenCountdown
Most date calculators bury a simple question under decades of clutter. ZenCountdown does one thing well: you open a tool, enter a date, and get your answer in under two seconds — no account, no pop-ups, and nothing you type ever leaves your browser.
Every result is built to be shared. Countdown pages get a permanent link you can send, post, or embed — try the countdown tool for an upcoming birthday, deadline, or trip.