# time ## Reference - [Falsehoods programmers believe about time](x-devonthink-item://8B595192-3F25-48E4-BBB3-15F09D4C16EB) - [RFC 3339 vs ISO 8601](https://ijmacd.github.io/rfc3339-iso8601/) - [[bash#Epoch conversion]] ## Standards ### Formats | | [[#strftime]] | | | ----------------------------------------------- | ----------------------- | --- | | NCSA Common Log Format (Apache) | `%d/%b/%Y:%H:%M:%S %z` | | | EN 28601 | `%Y-%m-%dT%H:%M:%S` | | | [RFC-3339](http://www.ietf.org/rfc/rfc3339.txt) | `%Y-%m-%dT%H:%M:%S.%LZ` | | | [[ISO 8601]] year | `%Y-%m-%d` | | ^141c48 ### strftime - [cheat sheet](http://strftime.org) - [generator](http://www.strftime.net)