parseDateTimeWithTimezone
Parse a datetime string using a format pattern and explicit timezone.
string(required): the datetime string to parsepattern(required): format patterntimezone(required): timezone ID (e.g."Europe/Amsterdam")
utlx
let dt = parseDateTimeWithTimezone($input.ts, "yyyy-MM-dd HH:mm:ss", "Europe/Amsterdam")
{
utc: toUTC(dt)
}