출처 :&nbsp;<a href="https://renenyffenegger.ch/notes/Linux/shell/commands/date" target="_blank">https://renenyffenegger.ch/notes/Linux/shell/commands/date</a> 아래 표와 같이 정리된다.&nbsp;inline 형태로 사용하려면 $(date) 형식으로 작성해야 하는 것 같다. <pre class="code" style="font-family: monospace; background-color: rgb(246, 249, 227); color: rgb(16, 32, 95); padding-left: 10px; border: 1px solid rgb(0, 64, 128); overflow: hidden; padding-top: 3px; padding-bottom: 5px; margin-top: 2px; margin-bottom: 2px;"> Format/result | Command | Output
--------------------------------+----------------------------+------------------------------
YYYY-MM-DD | date -I | $(date -I)
YYYY-MM-DD_hh:mm:ss | date +%F_%T | $(date +%F_%T)
YYYYMMDD_hhmmss | date +%Y%m%d_%H%M%S | $(date +%Y%m%d_%H%M%S)
YYYYMMDD_hhmmss (UTC version) | date --utc +%Y%m%d_%H%M%SZ | $(date --utc +%Y%m%d_%H%M%SZ)
YYYYMMDD_hhmmss (with local TZ) | date +%Y%m%d_%H%M%S%Z | $(date +%Y%m%d_%H%M%S%Z)
YYYYMMSShhmmss | date +%Y%m%d%H%M%S | $(date +%Y%m%d%H%M%S)
YYYYMMSShhmmssnnnnnnnnn | date +%Y%m%d%H%M%S%N | $(date +%Y%m%d%H%M%S%N)
YYMMDD_hhmmss | date +%y%m%d_%H%M%S | $(date +%y%m%d_%H%M%S)
Seconds since UNIX epoch: | date +%s | $(date +%s)
Nanoseconds only: | date +%N | $(date +%N)
Nanoseconds since UNIX epoch: | date +%s%N | $(date +%s%N)
ISO8601 UTC timestamp | date --utc +%FT%TZ | $(date --utc +%FT%TZ)
ISO8601 UTC timestamp + ms | date --utc +%FT%T.%3NZ | $(date --utc +%FT%T.%3NZ)
ISO8601 Local TZ timestamp | date +%FT%T%Z | $(date +%FT%T%Z)
YYYY-MM-DD (Short day) | date +%F$%a$ | $(date +%F$%a$)
YYYY-MM-DD (Long day) | date +%F$%A$ | $(date +%F$%A$)</pre>

[Linux] shell에서 date format 정리