Java SimpleDateFormat: Difference between revisions
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=External= | |||
* http://docs.oracle.com/javase/7/docs/api/java/text/SimpleDateFormat.html | |||
=Internal= | =Internal= | ||
* [[java Format#Subjects|java Format]] | * [[java Format#Subjects|java Format]] | ||
=Samples= | |||
<pre> | |||
"yy/MM/dd hh:mm:ss,SSS a" | |||
</pre> | |||
produces | |||
<pre> | |||
13/01/31 01:00:00,000 PM | |||
</pre> | |||
=Excel, CSV and milliseconds= | |||
Excel understands "." so you may want to: | |||
<pre> | |||
13/01/31 01:00:00.000 | |||
</pre> | |||
More here: https://home.feodorov.com:9443/wiki/Wiki.jsp?page=ExcelTimeAndDateFunctions#section-ExcelTimeAndDateFunctions-HandlingMillisecondsInExcel | |||
=Hour in Day= | |||
__Warning__ If __not__ using AM/PM (no "a" in the format), make sure you use HH for hours (instead of hh). | |||
According to the documentation: | |||
* "h" - Hour in am/pm (1-12) | |||
* "H" - Hour in a day (0-23) | |||
=Time Zone= | |||
<pre> | |||
Z | |||
</pre> | |||
for -0800 | |||
Just one single "Z" not four or five. | |||
=UTC= | |||
Use [time zone|java SimpleDateFormat#Time_Zone] (see above) and "0000". | |||
Examples: | |||
This is UTC. | |||
<pre> | |||
15/01/01 01:01:01+0000 | |||
</pre> | |||
This is PDT. | |||
<pre> | |||
15/01/01 01:01:01-0700 | |||
</pre> | |||
=Z in Time Stamp= | |||
"Z" means GMT in ISO 8601 | |||
To parse that, add "X" in the pattern. | |||
=Various Examples= | |||
"2015-09-22T18:03:46Z" is parsed by "yyyy-MM-dd'T'HH:mm:ssX" | |||
Revision as of 17:49, 22 January 2016
External
Internal
Samples
"yy/MM/dd hh:mm:ss,SSS a"
produces
13/01/31 01:00:00,000 PM
Excel, CSV and milliseconds
Excel understands "." so you may want to:
13/01/31 01:00:00.000
Hour in Day
__Warning__ If __not__ using AM/PM (no "a" in the format), make sure you use HH for hours (instead of hh).
According to the documentation:
- "h" - Hour in am/pm (1-12)
- "H" - Hour in a day (0-23)
Time Zone
Z
for -0800
Just one single "Z" not four or five.
UTC
Use [time zone|java SimpleDateFormat#Time_Zone] (see above) and "0000".
Examples:
This is UTC.
15/01/01 01:01:01+0000
This is PDT.
15/01/01 01:01:01-0700
Z in Time Stamp
"Z" means GMT in ISO 8601
To parse that, add "X" in the pattern.
Various Examples
"2015-09-22T18:03:46Z" is parsed by "yyyy-MM-dd'T'HH:mm:ssX"