 Hours are in 24-hour format.  FFF represents milliseconds, and <i>trailing</i> zeros are optional (i.e. 5 == 500).</p><p class="paragraph">Time zones can be in one of three forms: (+/-)HH:MM (+/-)HHMM Z (which represents UTC)</p><span class="kdoc-tag"><h4 class="">Return</h4><p class="paragraph">The STR_TO_MILLIS(expr) function.</p></span><h4 class="">Parameters</h4><div class="table"><div class="table-row" data-filterable-current=":couchbase-lite/commonMain" data-filterable-set=":couchbase-lite/commonMain