Working with UTC dates is crucial for building applications that handle users across different timezones and for consistent server communication. As the creator of CoreUI, a widely used open-source UI library, I’ve handled timezone-related date operations in countless global applications over 25 years of development. From my expertise, the most reliable approach is using the built-in UTC methods like getUTCFullYear(), getUTCMonth(), and getUTCDate() to extract timezone-independent values. This ensures consistent date handling regardless of the user’s local timezone.