UTC, GMT, and the time zone bugs that keep biting developers

📰 Dev.to · gan liu

Learn to handle time zone bugs that can affect your application's functionality and user experience, and why it matters for developers

intermediate Published 27 Jun 2026
Action Steps
  1. Identify the time zone requirements for your application using tools like moment.js or luxon
  2. Configure your server to use UTC as the default time zone to avoid inconsistencies
  3. Use libraries like moment-timezone to handle time zone conversions and daylight saving time adjustments
  4. Test your application with different time zones and edge cases to catch potential bugs
  5. Implement robust error handling to account for time zone-related issues
Who Needs to Know This

Developers, especially those working on global applications, can benefit from understanding time zone nuances to avoid common pitfalls and ensure seamless user experiences across different regions

Key Insight

💡 Using UTC as the default time zone and handling conversions with libraries can help avoid common time zone pitfalls

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Time zone bugs can bite! Learn to handle them and ensure seamless user experiences #timezone #development

Key Takeaways

Learn to handle time zone bugs that can affect your application's functionality and user experience, and why it matters for developers

Full Article

Time zones are one of those topics that look simple until you ship something and a user in another...
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