Free Time & Date Tools
Calculate age, date differences, countdowns, and stopwatch laps with free time tools that use your local timezone.
Popular free time tools
All free time & date tools
8 free tools — no signup
Age Calculator
Find exact age from date of birth.
Date Difference Calculator
Days and duration between two dates.
Countdown Timer
Count down to a time or duration.
Stopwatch
Measure elapsed time with laps.
Timezone Converter
NewConvert times between world time zones.
Business Days Calculator
NewWorking-day counts and date offsets.
Week Number Calculator
NewGet ISO week numbers for any date.
ICS Generator
NewBuild .ics calendar event files.
FAQ
Are these time & date tools really free?
Yes. Every tool in this category is free to use with no account and no paywall. Processing runs in your browser whenever the tool supports client-side workflows.
Which timezone do date tools use?
Unless noted, calculations use your device’s local timezone.