将ISO日期时间转换为日期时间和字符进行计算

Question

I have a dataset with a variable with a date ISO and I need to compare it with another date to calculation duration. 

| ID       | ISOdt |
| -------- | -------- |
| US12     | 2012-05-01T14:34-05:00|
| US13     | 2022-04-22T15:00-05:00|

your text

isodt = 字符 256

I need to convert to a sas datetime to assign to a new variable and to calculate duration between 2 dates (which are also 

ISO 日期格式）。`

`data test (keep=newdate stdat tmdat);
set extest;
format stdat $20. tmdat $10. newdate datetime13.;

stdat= ex_dt;
tmdat=ex_tm;
newdate=(stdat * 24 * 60 * 60) + tmdat;
newdate=input(compress(stdat)||':'||compress(tmdat), datetime13.);
run;`

your text

或 `数据测试（keep=newdate stdat tmdat）； 设置扩展； 格式 stdat $20。 tmdat 10 美元。新日期 datetime13.; stdat=输入（扫描（ex_dt，1，“T”），??yymmddn8。）; tmdat=输入(扫描(ex_dt,2,"T"),??time5.); newdate=input(compress(stdat)||':'||compress(tmdat),datetime13.); 跑;``

your text

有关数字转换为字符的消息...但是变量为空。

I need an output like this:2012-05-01:14:34 or 01MAY2012 14:34 but i have to also use this date to c

计算两个日期之间的持续时间。

谢谢，`