Time Ago

Updated August 20, 2026

Time ago calculator online. Convert a timestamp into "3 hours ago" or "in 2 days". Free relative time converter.

Features

Turn an instant into “3 hours ago” / “in 2 days”
Uses Intl.RelativeTimeFormat
Shows the exact ISO too, so relative never stands alone
Updates from the timestamp you paste

Common Use Cases

Preview how a UI will render a stored epoch
Explain a log time in English
Check “yesterday” around midnight UTC vs local
Copy copy-deck for empty states

Relative time is lossy

Intl picks the largest unit that still looks reasonable. “30 days ago” may become “last month”. Always keep the absolute timestamp in data. Relative is for display.

Examples

Valid - Past unix

1600000000

Frequently Asked Questions

Will this match moment.fromNow?

Thresholds differ. Intl is the platform. Moment is a library with its own buckets.

Related Tools

Unix timestamp

Absolute forms

Try it

World clock

Wall clocks instead of relative

Try it

Tips

Pair relative labels with a title attribute of the ISO string in UIs.