A while ago, I needed to check if 20251120T0700Z was a valid ISO 8601 timestamp. [Archive] ISO8601 Date Converter Online – DenCode showed it was.
It can even be called directly: [Archive] ISO8601 Date Converter Online – DenCode: 20251120T0700Z Europe/Amsterdam .
Not sure what language it was developed in (it runs server side), but it is a great tool to do some occasional testing of timestamp values.
Query: [Archive] datetime parse iso 8601 online at DuckDuckGo
I didn’t have time to check all the links from the Query in depth, but one seems to be JavaScript and another one is server side:
