create a copy of underlying value.
create a copy of underlying value. used for modifications
Raw long instant value of this datetime instance
Raw long instant value of this datetime instance
underlying moment-js value
underlying moment-js value
Safe copy of underlying moment-js time
Safe copy of underlying moment-js time
Zone aware mutability safe wrapper around momentjs Date.
Works in tz mode, effectively providing a zoned datetime value with DST support.
Wrapper also overrides semantics to JVM-identical.