Eleventy date filter applies host timezone instead of preserving UTC offset
Symptom The built-in date filter formats timestamps using Intl.DateTimeFormat , but when a UTC-ending string such as 2026-10-11T01:50:47Z is passed, the resulting output reflects the build machine’s local zone rather than the original offset. Context Eleventy constructs a Date via new Date(input) , which interprets the string in the host environment’s time z