- Add / Subtract Time Calculator
- Adding days to date
- Age Calculator Online
- Annual Leave Payment Calculator
- Birthday Calculator by DOB
- Chronological Age Calculator
- Convert Decimal to Standard Time
- Convert Time to Decimal
- Date Calculator
- Day of Birth Calculator
- Day of year
- Day/Time Difference Calculator

Online Math Date calculator, age calculator, Monthly Calendar, Calculate day of the year, find leap year, days between dated, find new date after adding days to it, age calculation....