Free Date & Time Calculators
Use QuickUtila's free date and time tools to calculate ages, date differences, durations and Unix timestamps. Choose a date and time tool below to get started.
Popular Date & Time
All Date & Time Tools
Helpful Date & Time Guides
Guide
How to Calculate Your Exact Age
Years, months and days — and how leap years affect them.Read Guide →GuideHow to Calculate the Difference Between Two Dates
Learn how date differences are calculated and when they are useful.Read Guide →GuideWhat Is a Unix Timestamp?
Epoch time explained: seconds, milliseconds and UTC.Read Guide →FAQ
Yes. Every date and time tool is free to use without an account.
Yes. Calculations use the real calendar, so February 29 and months of different lengths are handled correctly.
Date calculations work on calendar dates, so your time zone and daylight saving time cannot shift a result by a day. The Unix Timestamp Converter shows UTC clearly and lets you choose UTC or your local time.
No. These tools run directly in your browser, so the numbers, dates and text you enter are not sent to a server.
Yes. Use the Suggest a Tool link in the footer or the contact page to tell us what you need.