Relative Time (Time Ago)

Convert a date to a human-readable relative time format such as '2 hours ago' or 'in 3 days'.

Code

General

const rtf = new Intl.RelativeTimeFormat('en', { numeric: 'auto' });
const diff = new Date(dateStr) - new Date();
const days = Math.round(diff / (1000 * 60 * 60 * 24));
const hours = Math.round(diff / (1000 * 60 * 60));
const minutes = Math.round(diff / (1000 * 60));
return Math.abs(days) >= 1 ? rtf.format(days, 'day') : Math.abs(hours) >= 1 ? rtf.format(hours, 'hour') : rtf.format(minutes, 'minute');

Parameters

dateStr(string)

ISO date string

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