Date Formatting Guide: Locale-Aware Formatting in JS, Python and Go
Format dates for display in multiple locales. Compare Intl.DateTimeFormat, Python strftime, Go time.Format, and moment.js format strings.
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Tags: developer-tools, timestamps, formatting
Date Formatting Guide: Locale-Aware Formatting in JS, Python and Go Date formatting is where internationalisation meets developer ergonomics. The same timestamp needs to render as for an English user and for a French user, while your server stores it as . This guide covers the format string patterns for each major language, locale-aware formatting, and the common pitfalls. JavaScript: Intl.DateTimeFormat The API is the right tool for locale-aware date formatting in JavaScript. It is built into every modern browser and Node.js, requires no dependencies, and handles hundreds of locale combinations correctly. Basic Usage Style Options and accept , , , or : Individual Field Options For custom formats, specify each field: Performance: Reuse Formatters Creating instances is expensive. Reuse…
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