Date Calculator
Calculate the exact number of days, weeks, months, business working days, and weekend days between any two dates.
Working Days Calculator
Compute business days and working hours between dates. Exclude weekend days for any range.
Days From Date Calculator
Calculate the exact days, weeks, months, and years from today (or any start date) to a past or future date.
Countdown Timer
Create a custom countdown timer for holidays, anniversaries, birthdays, or any special future events.
Printable Calendars
Generate printable calendar PDFs for any month or year. Customize styles, colors, and layout configurations.
Leap Year Checker
Instantly check if any historical or future year is a leap year, and view mathematical leap year rules.
Julian Date Converter
Convert standard Gregorian calendar dates to Julian days and Julian day numbers for science and astronomy.