Calculator
Your files never leave your device
Check your Network tab and see
Work starts the moment you drop a file
No daily limit, no sign-up, no watermark
Given two points in time, the tool breaks the gap into hours, minutes, and seconds — handy for shift lengths, session times, or how long something ran.
It measures the raw difference between the two values you provide. It does not apply time-zone conversion; keep both times in the same zone for a correct duration.
That is the promise behind every tool here. Files are read in your browser tab, processed there, and discarded when you close it — never uploaded to our servers.
Years, months, and days between birth date and today.
Days and weeks between two dates.
Add or subtract days from a date.
Weekdays between dates with optional India 2026 holidays.
Format a moment in another IANA timezone.
