Javascript Date Format Option Property Values

weekday:    "narrow", short", "long"
year:    "numeric", 2-digit"
month:    "numeric", 2-digit", narrow", short", "long"
day:    "numeric", 2-digit"

hour12:    true, false
hour:    "numeric", "2-digit"
minute:    "numeric", "2-digit"
second:    "numeric", "2-digit"

timeZone:    [list](https://en.wikipedia.org/wiki/List_of_tz_database_time_zones)