<h4>Date format pattern "V"</h4>
<p>The date format pattern "V" was introduced in ICU 3.8 (inherited from CLDR 1.5) as
a variation of pattern "z" to support time zone abbreviation format such as "PST".
-The pattern "z" use a time zone abbreviation only when it is commonly used for a locale.
+The pattern "z" prints out a time zone abbreviation only when it is commonly used for a locale.
The pattern "V" was slightly different from pattern "z" and the pattern designates
a time zone abbreviation even it is not commonly used for a locale. For example, time
zone abbreviation "AEST" for Australian Eastern Standard Time might not be well recognized