SASでのタイムゾーンの指定

options timezone='asia/tokyo';

data _null_;
   o1=tzoneoff();
   o2=tzoneoff('asia/tokyo');
   put o1 time.;
   put o2 time.;
run;

-5:00:00 9:00:00

diff=abs(tzoneoff('america/new_york') - tzoneoff('asia/tokyo'));

options timezone='America/Chicago';
data _null_;
   tzid=tzoneid();
   put 'Current time zone is ' tzid;
   tzn=tzonename('america/los_angeles');
   put 'Time zone for Los Angeles: ' tzn;
   tznST=tzonename('america/los_angeles','10mar2013:01:00:00'dt);
   put 'Time zone for Los Angeles standard time: ' tznST;
   tznDT=tzonename('america/los_angeles','10mar2013:02:00:00'dt);
   put 'Time zone for Los Angeles daylight time: ' tznDT;
   tznSDT=tzonename('10mar2013:02:00:00'dt);
   put 'Time zone name for this SAS datetime: ' tznSDT;
run;

Current time zone is AMERICA/CHICAGO Time zone for Los Angeles:PST Time zone for Los Angeles standard time:PST Time zone for Los Angeles daylight time:PDT Time zone name for this SAS datetime:CDT

options timezone='est';
data _null_;
   put ' The time zone is EST';
   diff=abs(tzoneoff('america/new_york') - tzoneoff('europe/london'));
   put ' New York-London difference:' diff time.;
   diff=abs(tzoneoff('america/new_york') - tzoneoff('asia/tokyo'));
   put ' New York-Tokyo difference:' diff time.;
   put ' The SAS datetime is 2013-03-15T09:15:00+00:00 ';
   put ' ';
   put ' Change a SAS datetime to a UTC value ';
   put ' ';
   put ' The time zone offset +00:00 is for London ';
   put ' Subtract the 5 hours for the EST time zone offset'; 
   stu1=tzones2u('2013-03-15T09:15:00+00:00'dt);
   put ' STU1 Using E8601DX:' stu1 e8601dx.;
   put ' ';
   put ' 2013-03-15 9:15 AM in Tokyo is 2013-03-14 7:15 PM in New York'; 
   put ' Subtract the 5 hours for the EST time zone offset'; 
   stu2=tzones2u('2013-03-15T09:15:00+00:00'dt, 'Asia/Tokyo');
   put ' STU2 Using E8601DX:' stu2 e8601dx.;
   put ' ';
   put ' Change a UTC to a SAS datetime value. ';
   put ' ';
   put ' +00:00 is the time zone offset for London.';
   put ' Subtract the 5 hours for the EST time zone offset'; 
   uts1=tzoneu2s('2013-03-15T09:15:00+00:00'dt);
   put ' UTS1 Using DATETIME:' uts1 datetime.;
   put ' ';
   put ' 9:15:00+00:00 is 18:15:00 in Tokyo. ';
   put ' Subtract the 5 hours for the EST time zone offset'; 
   uts2=tzoneu2s('2013-03-15T09:15:00+00:00'dt, 'Asia/Tokyo');
   put ' UTS2 Using DATETIME:' uts2 datetime.;
run;

The time zone is EST New York-London difference:5:00:00 New York-Tokyo difference:14:00:00 The SAS datetime is 2013-03-15T09:15:00+00:00 Change a SAS datetime to a UTC value The time zone offset +00:00 is for London Subtract the 5 hours for the EST time zone offset STU1 Using E8601DX:2013-03-15T04:15:00-05:00 2013-03-15 9:15 AM in Tokyo is 2013-03-14 7:15 PM in New York Subtract the 5 hours for the EST time zone offset STU2 Using E8601DX:2013-03-14T14:15:00-05:00 Change a UTC to a SAS datetime value.+00:00 is the time zone offset for London.Subtract the 5 hours for the EST time zone offset UTS1 Using DATETIME:14MAR13:23:15:00 9:15:00+00:00 is 18:15:00 in Tokyo.Subtract the 5 hours for the EST time zone offset UTS2 Using DATETIME:15MAR13:13:15:00

options timezone='Australia/Sydney';
data _null_;
   st='18:33:40't;
   sdt='2013-03-17T14:30:22+00:00'dt;
   put 'Time B8601TX:' st b8601tx.;
   put 'Time E8601TX:' st e8601tx.;
   put 'UTC B8601DX:' sdt b8601dx.;
   put 'UTC E8601DX:' sdt e8601dx.;
   put 'UTC B8601LX:' sdt b8601lx.;
   put 'UTC E8601LX:' sdt e8601lx.;
run;

Time B8601TX:   043340+1000 Time E8601TX:04:33:40+10:00 UTC B8601DX:      20130318T123022+1100 UTC E8601DX:2013-03-18T12:30:22+11:00 UTC B8601LX:      20130318T013022+1100 UTC E8601LX:2013-03-18T01:30:22+11:00

options timezone='Indian/Maldives';
data _null_;
   st='18:33:40't;
   sdt='2013-03-17T14:30:22+00:00'dt;
   put 'Time NLDATMTZ:' st nldatmtz.;
   put 'SAS datetime NLDATMZ:' sdt nldatmz.;
   put 'SAS datetime NLDATMWZ:' sdt nldatmwz.;
run;

Time NLDATMTZ:18:33:40 +0500 SAS datetime NLDATMZ:17Mar2013:19:30:22 +0500 SAS datetime NLDATMWZ:Sunday, March 17, 2013 07:30:22 PM +0500