dayjs

Lightweight JavaScript date library alternative to Moment.js

Programming Day.js ISO 8601 Strict Parsing Fails: Why & How to Fix

Discover why Day.js strict ISO 8601 parsing fails for valid strings like 2024-03-10T15:30:00Z. Learn reliable validation using built-in parsers, customParseFormat, regex, UTC plugin, and code examples for robust date handling.

#dayjs
#iso-8601
#date-parsing
#javascript
#validation

1 answer• 1 view

01/06/2026, 10:23 AM