Blog

Mert Özen's blog posts on software development, backend, frontend, and DevOps.

Series

.NET Core Web API 36 Angular 31 JavaScript Basics 19 JavaScript Intermediate 18 JavaScript Advanced 16 TypeScript Basics 14 TypeScript Intermediate 14 TypeScript Advanced 12

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Frontend PART 18

Advanced Date Handling in JavaScript: Time Zones, UTC and Formatting with Intl

We see that Date holds a single moment, then cover UTC and ISO 8601 rules, Intl.DateTimeFormat options, "3 days ago" with Intl.RelativeTimeFormat, the daylight saving trap and a first look at Temporal.

3 Nov 2026 10 min 5