Field number for <code>get</code> and <code>set</code> indicating the
daylight saving offset in milliseconds.
<p>
This field reflects the correct daylight saving offset value of
the time zone of this <code>Calendar</code> if the
<code>TimeZone</code> implementation subclass supports
historical Daylight Saving Time schedule changes.
Field number for <code>get</code> and <code>set</code> indicating the daylight saving offset in milliseconds. <p> This field reflects the correct daylight saving offset value of the time zone of this <code>Calendar</code> if the <code>TimeZone</code> implementation subclass supports historical Daylight Saving Time schedule changes.