Date & Calendar Calculators
Calendar-accurate calculations for days between dates, business day schedules with custom holiday filters, adding/subtracting dates, and day-of-week determinations.
Business Day Calculator
Calculate working days and business days between two dates. Exclude Saturdays, Sundays, and public bank holidays.
Date Calculator
Comprehensive date calculator to add or subtract days, weeks, months, and years from any calendar date with leap year accuracy.
Date Difference Calculator
Calculate the exact difference between two dates in years, months, weeks, days, hours, and minutes with inclusive/exclusive counting.
Days Between Dates Calculator
Count the exact number of calendar days between any two dates. Supports inclusive and exclusive date counting.
Weeks Between Dates Calculator
Calculate the total number of full weeks, remaining days, and decimal weeks between two calendar dates.
Years Between Dates Calculator
Compute the exact number of calendar years, months, and days between historical or future dates.
Day Counter
Count days from today, calculate elapsed calendar days, and compute countdown intervals in one click.
Day of Week Calculator
Find what day of the week (Monday, Tuesday, etc.) any past or future date falls on using Zeller congruence arithmetic.
Days From Today Calculator
Find what date it will be 30, 60, 90, or N days from today. Fast dynamic calendar calculations updated in real time.
Days Since Date Calculator
Count how many days have passed since a specific historical date, birthdate, anniversary, or event.
Months From Today Calculator
Calculate what calendar date it will be 1, 3, 6, 9, or 12 months from today with automatic month boundary pinning.
Weeks From Today Calculator
Determine the exact date N weeks from today. Ideal for pregnancy timelines, sprint planning, and project roadmaps.