Converting dates to ISO string format is essential for API communication, data storage, and ensuring consistent date representation across different systems and timezones. As the creator of CoreUI, a widely used open-source UI library, I’ve implemented ISO date formatting in countless API integrations over 25 years of development. From my expertise, the most reliable approach is using the toISOString() method, which converts any Date object to the standard ISO 8601 format. This ensures universal compatibility and precise timestamp representation.

Parsing date strings correctly is crucial for building reliable JavaScript applications, especially when working with user input or API responses. As the creator of CoreUI, a widely used open-source UI library, I’ve handled countless date parsing scenarios in production components over 25 years of development. From my expertise, the most reliable approach is to use the Date constructor with ISO format strings or the Date.parse() method for standardized formats. This ensures consistent parsing across different browsers and time zones.