Date & Time Tools
Work out durations, business days, week numbers and date math — all the date calculations spreadsheets make painful.
5 free tools, most used first
- Add or Subtract Days Add or subtract a number of days from any date to find the resulting date and weekday.
- Business Days Calculator Count working days (Mon–Fri) between two dates, excluding weekends.
- Time Duration Calculator Calculate the duration between two times in hours and minutes, including overnight shifts.
- Leap Year Checker Check if any year is a leap year and find the next leap year.
- Week Number Calculator Featured Find the ISO week number, day of year and quarter for any date.
Related categories
- QR Code Tools 3 tools
- Text Tools 58 tools
- SEO Tools 15 tools
- YouTube Tools 10 tools
- Social Media Tools 9 tools
- Image Tools 20 tools