Measure the exact gap between two dates in days, weeks, and months — tenures, ages, project spans. A 3-year job stint reads 1,096 days instantly — free, no signup, runs locally.
Count working days between two dates excluding weekends — HR teams prorate leave and payroll accurately. A 20-day leave request spans 28 calendar days — free, no signup, runs locally.
Convert any date to its day-of-year number (1–365/366) with days remaining. Developers compute ordinal dates for logs and filenames — free, no signup, runs locally.
Add or subtract days, weeks, months, and years from any date — calendar-accurate. Find 100 days from hire date exactly — free, local, no signup.
Calculate exact age in years, months, and days from day-month-year dropdowns with a target date. Includes eligibility check for Indian government age requirements.
Convert between time units including seconds, minutes, hours, days, weeks, months, and years with precise decimal results. Input never leaves your device — everything runs locally in your browser.
Enter start and end dates: 3 full years including one leap day total 1,096 days. The tool breaks the span into years, months, weeks, and leftover days for resumes and tenure claims.
No — calendar months vary, so the tool counts real month boundaries plus leftover days. 15 January to 15 March is exactly 2 months (59 or 60 days depending on leap year), not 60 flat.
Check the tool's convention: most counters exclude the end date (15th to 16th = 1 day). For age math this matches legal convention; for hotel nights it matches billing.
No — all math runs locally in your browser. Dates never leave your device.
Business Days Calculator
Count working days between two dates excluding weekends — HR teams prorate leave and payroll accurately. A 20-day leave request spans 28 calendar days — free, no signup, runs locally.
Time Until Calculator
Count down the time until any future moment in days, hours, minutes, and seconds — launches, deadlines, events. See 45 days to launch live — free, local, no signup.
Last updated October 2026