Calculator
Your files never leave your device
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Work starts the moment you drop a file
No daily limit, no sign-up, no watermark
The tool takes a date and time in one time zone and shows the equivalent local time in another, using the browser's built-in Intl time-zone data — the same database your operating system relies on.
Daylight-saving transitions and historical or politically changed offsets can differ from a specialist time-zone service. For scheduling across regions it is reliable; for legal timekeeping, verify against an official source.
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.
Hours, minutes, seconds between two dates.
