Letter Date or Time Component Presentation Examples
    G Era designator Text AD
    y Year Year 1996;96
    M Month in year Month July;Jul;07
    w Week in year Number 27
    W Week in month Number 2
    D Day in year Number 189
    d Day in month Number 10
    F Day of week in month Number 2
    E Day in week Text Tuesday;Tue;周二
    a Am/pm marker Text PM
    H Hour in day (0-23) Number 0
    k Hour in day (1-24) Number 24
    K Hour in am/pm (0-11) Number 0
    h Hour in am/pm (1-12) Number 12
    m Minute in hour Number 30
    s Second in minute Number 55
    S Millisecond Number 978
    z Time zone General time zone Pacific Standard Time;PST;GMT-08:00
    Z Time zone RFC 822 time zone -0800