Method: When::TM::Clock#tz_difference

Defined in:

lib/when_exe/tmreference.rb

#tz_difference ⇒ When::TM:IntervalLength

夏時間帯と標準時間帯の時間差

Returns:

• (When::TM:IntervalLength)

# File 'lib/when_exe/tmreference.rb', line 700

def tz_difference
  _tz_prop ? _tz_prop.tz_difference : 0
end