https://en.wikipedia.org/wiki/ISO_8601
* YYYYMMDD for dates
* YYYY-MM for months
* YYYYMMDDTHHMM for time where T is the capital letter T. Two additional digits can be added for seconds and then as many additional digits as needed for precision.
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[Edited for format]
* YYYYMMDD for dates
* YYYY-MM for months
* YYYYMMDDTHHMM for time where T is the capital letter T. Two additional digits can be added for seconds and then as many additional digits as needed for precision.
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[Edited for format]