Time & Date Calculators
Time and date calculators for age calculation, date arithmetic, time zones, and scheduling. Perfect for professionals, project managers, students, and travelers.
Age Calculator
Calculate your exact age in years, months, days, hours, and minutes with birthday countdown.
Date Calculator
Add or subtract days, months, and years from any date with business day options.
Time Calculator
Calculate time duration between two times, add or subtract time intervals.
Business Days Calculator
Calculate working days between dates excluding weekends and holidays.
Countdown Calculator
Create countdowns to important dates and events with days, hours, minutes display.
World Clock Calculator
Convert time between different time zones and find meeting times globally.
Work Hours Calculator
Calculate total work hours, overtime, and create timesheets for payroll.
Retirement Date Calculator
Calculate when you can retire based on age, years of service, and retirement rules.
Pregnancy Due Date Calculator
Calculate pregnancy due date, current week, and track pregnancy milestones.
Anniversary Calculator
Calculate relationship milestones and upcoming anniversary dates.
Holiday Calculator
Find dates for holidays, observe days, and plan around holiday schedules.
Leap Year Calculator
Determine if any year is a leap year and understand leap year patterns.
Day of Week Calculator
Find what day of the week any date falls on, past or future.
Elapsed Time Calculator
Calculate elapsed time between events and track time intervals.
Shift Calculator
Plan work shifts, calculate shift differentials, and manage rotating schedules.