Date & Time Calculators
Age, date differences, working days, public holidays and calendar tools.
Tools in this category
Age Calculator
Calculate exact age in years, months and days from a birth date.
Date Difference
Count the days, weeks and months between two dates, or add and subtract days from a date.
Working Days
Count the working days between two dates, excluding official holidays.
Official Holidays
The list of official holidays and days off for the year.
Work Hours
Calculate hours worked from clock-in/out times and breaks.
Duration
Calculate how many hours and minutes are between two times, deducting a break as well.
Time Zone
Convert the time between different time zones.
Hijri Calendar
Convert dates between the Islamic (Hijri) calendar and the Gregorian calendar.
Add/Subtract Days from a Date
Find the date after adding or subtracting days, weeks or months.
Day of the Week
Find the day of the week (Monday, Tuesday…) for any date.
Day Counter
How many days are left until an event or deadline.
Leave Tracker
Plan annual leave, public holidays and working days in one calendar.
About this category
Date and time tools answer everyday planning questions: how old someone is, how many days sit between two dates, how many workdays remain and which holidays apply.
Frequently asked questions
How are working days and public holidays counted?
Date tools use the calendar, weekends and public holidays. For legal or contract deadlines, confirm the date with the relevant institution.
Does the age calculator count exact years, months and days?
Yes. It counts whole years, months and days from the birth date to the date you choose.
Do I need an account?
No. The date and time tools are free and run in your browser without sign-up.