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| 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 |
| "yyyy-MM-dd‘T‘HH:mm:ss.SSSZ" | 2001-07-04T12:08:56.235-0700 |
| "yyyy-MM-dd‘T‘HH:mm:ss.SSSXXX" | 2001-07-04T12:08:56.235-07:00 |
| "YYYY-‘W‘ww-u" | 2001-W27-3 |
private static Locale en_SG=new Locale("en", "SG");
public static final SimpleDateFormat sdf1 = new SimpleDateFormat("yyyy-MM-dd",
en_SG);
public static final SimpleDateFormat sdf2 = new SimpleDateFormat("dd MMM yyyy",
en_SG);
public static final SimpleDateFormat sdf3 = new SimpleDateFormat("dd/MM/yyyy HH:mm",
en_SG);
public static final SimpleDateFormat sdf4 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS",
en_SG);
public static final SimpleDateFormat sdf5 = new SimpleDateFormat("EEE, dd MMM yyyy",
en_SG);
public static final SimpleDateFormat sdf6 = new SimpleDateFormat("hh:mm aa",
en_SG);
public static final SimpleDateFormat sdf7 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss",
en_SG);
public static final SimpleDateFormat sdf8 = new SimpleDateFormat("EEEEEEEEE, hh:mm aa",
en_SG);
public static final SimpleDateFormat sdf9 = new SimpleDateFormat("HH",
en_SG);
public static final SimpleDateFormat sdf10 = new SimpleDateFormat("hh:mm",
en_SG);
public static final SimpleDateFormat sdf11= new SimpleDateFormat("yyyyMMdd",
en_SG);
public static final SimpleDateFormat sdf12 = new SimpleDateFormat("aa",en_SG);
public static final SimpleDateFormat sdf13 = new SimpleDateFormat("HH:mm",en_SG);
public static final SimpleDateFormat sdf14 = new SimpleDateFormat("EE d MMM yyyy",
en_SG);
public static final SimpleDateFormat sdf15 = new SimpleDateFormat("yyyy-MM-dd HH:mm aaa",
en_SG);
//for utc time transfer to SG local time use:
public static final SimpleDateFormat sdf4_UTC = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS",
Locale.ENGLISH);
public static final SimpleDateFormat sdf7_UTC = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss",
Locale.ENGLISH);
public static final SimpleDateFormat sdf13_UTC = new SimpleDateFormat("HH:mm",
Locale.ENGLISH);
public static int TIME_OFFSET=0;
static{
sdf4_UTC.setTimeZone(TimeZone.getTimeZone("Europe/London"));
sdf7_UTC.setTimeZone(TimeZone.getTimeZone("Europe/London"));
sdf13_UTC.setTimeZone(TimeZone.getTimeZone("Europe/London"));
TimeZone gmt = TimeZone.getTimeZone("Europe/London");
Calendar gmtCal = Calendar.getInstance(gmt);
TIME_OFFSET = gmtCal.get(Calendar.DST_OFFSET);
Log.d("gyy", "TIME_OFFSET "+TIME_OFFSET);
}
String datedisplay=Constants.sdf5.format(Constants.sdf4.parse(medals.get(position).getMedalUpdateTime()));
Java 日期和时间转换Class SimpleDateFormat
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原文地址：http://my.oschina.net/u/2444750/blog/500669
