In reply to Derek Morgan.

Note to our readers:
The International Organization for Standardization (ISO) developed the ISO 8601 standard for representing dates and times, that is also adopted by Clinical Data Interchange Standards Consortium (CDISC) and widely used in clinical trials. Here is a couple of useful resources for ISO 8601:
- Working with Dates and Times by Using the ISO 8601 Basic and Extended Notations
- Harnessing the Power of SAS ISO 8601 Informats, Formats, and the CALL IS8601_CONVERT Routine