Fixing "Date/time not in ISO 8601 format" in Google Search Console (opens in new tab)

I like using microdata within my HTML to provide semantic metadata. One of my pages had this scrap of code on it: HTML<time itemprop="datePublished" itemscope datetime="2025-06-09T11:27:06+01:00">9 June 2025 11:27</time> The Google Search Console was throwing this error: I was fairly sure that was a valid ISO 8601 string. It certainly matched the description in the Google…