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Letter Date or Time Component Presentation Examples
G Era designator Text AD
yyyy,yy *Year Year 1996; 96
MMMM;MMM;MM;M *Month in year Month July; Jul; 07;7
w Week in year Number 27
W Week in month Number 2
D Day in year Number 189
dd;d *Day in month Number 05;5
F Day of week in month Number 2
EEEE;EEE;E Day in week Text Tuesday; Tue; 2
a Am/pm marker Text PM
HH;H *Hour in day (0-23) Number 02;2
kk;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
mm;m *Minute in hour Number 08;8
ss;s *Second in minute Number 05;5
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

 

Ex : 2001-07-04 12:08:56

Date and Time Pattern Result
"yyyy.MM.dd G 'at' HH:mm:ss z" 2001.07.04 AD at 12:08:56 PDT
"EEE, MMM d, ''yy" Wed, Jul 4, '01
"h:mm a" 12:08 PM
"hh 'o''clock' a, zzzz" 12 o'clock PM, Pacific Daylight Time
"K:mm a, z" 0:08 PM, PDT
"yyyyy.MMMMM.dd GGG hh:mm aaa" 02001.July.04 AD 12:08 PM
"EEE, d MMM yyyy HH:mm:ss Z" Wed, 4 Jul 2001 12:08:56 -0700
"yyMMddHHmmssZ" 010704120856-0700

 

 

來源 : http://download.oracle.com/docs/cd/E17476_01/javase/1.4.2/docs/api/java/text/SimpleDateFormat.html

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