Fast · private · browser-only
Make every date count.
Private date arithmetic for ages, date differences, countdowns and business days.
Browse toolsFocused utilities
Date, Age & Time Tools
Age calculator
Calculate exact age in years, months and days, total days lived and the next birthday.
Open tool Browser-onlyDate difference
Find the elapsed years, months, days, weeks and total days between two dates.
Open tool Browser-onlyDays until
Count calendar days and weeks until a future date or since a past date.
Open tool Browser-onlyBusiness days
Count weekdays between two dates with optional excluded holiday dates.
Open tool Browser-onlyTime duration
Calculate elapsed hours and minutes between two clock times, including overnight periods.
Open tool Browser-onlyWork hours
Calculate paid work hours and gross pay from start time, end time, break and hourly rate.
Open toolClear answers
About date, age & time tools
Are the date, age & time tools free?
Yes. Every tool in this collection is free to use without an account.
Does MW SysArc receive what I enter?
No. Inputs and calculations remain inside your browser and are not transmitted to or stored by MW SysArc.
Can I use the results for important decisions?
Treat results as practical estimates. Verify consequential academic, employment, financial or access decisions against the applicable rules and source records.