Parse a wall-clock date/time string in zone to UTC seconds. Accepts the same shapes as istStringToUtcSeconds: YYYY-MM-DD, YYYY-MM-DD HH:MM[:SS], and the T-separated ISO variant. Never consults the host machine's own zone.
zone
istStringToUtcSeconds
YYYY-MM-DD
YYYY-MM-DD HH:MM[:SS]
T
Parse a wall-clock date/time string in
zoneto UTC seconds. Accepts the same shapes asistStringToUtcSeconds:YYYY-MM-DD,YYYY-MM-DD HH:MM[:SS], and theT-separated ISO variant. Never consults the host machine's own zone.