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| #! /bin/bash | |
| cat << EOD | |
| Format/result | Command | Output | |
| --------------------------------+-------------------------------+------------------------------ | |
| 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\(%A\)) | |
| YYYY-MM-DDThh:mm:ss+hhmm | date +%Y-%m-%dT%H:%M:%S%z | $(date +%Y-%m-%dT%H:%M:%S%z) | |
| YYYY-MM-DDThh:mm:ssZZZ | date +%Y-%m-%dT%H:%M:%S%Z | $(date +%Y-%m-%dT%H:%M:%S%Z) | |
| EOD |
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| Format/result | Command | Output | |
| --------------------------------+-------------------------------+------------------------------ | |
| YYYY-MM-DD_hh:mm:ss | date +%F_%T | 2020-06-02_17:09:10 | |
| YYYYMMDD_hhmmss | date +%Y%m%d_%H%M%S | 20200602_170910 | |
| YYYYMMDD_hhmmss (UTC version) | date --utc +%Y%m%d_%H%M%SZ | 20200602_090910Z | |
| YYYYMMDD_hhmmss (with local TZ) | date +%Y%m%d_%H%M%S%Z | 20200602_170910CST | |
| YYYYMMSShhmmss | date +%Y%m%d%H%M%S | 20200602170910 | |
| YYYYMMSShhmmssnnnnnnnnn | date +%Y%m%d%H%M%S%N | 20200602170910404044333 | |
| YYMMDD_hhmmss | date +%y%m%d_%H%M%S | 200602_170910 | |
| Seconds since UNIX epoch: | date +%s | 1591088950 | |
| Nanoseconds only: | date +%N | 406778242 | |
| Nanoseconds since UNIX epoch: | date +%s%N | 1591088950407675015 | |
| ISO8601 UTC timestamp | date --utc +%FT%TZ | 2020-06-02T09:09:10Z | |
| ISO8601 UTC timestamp + ms | date --utc +%FT%T.%3NZ | 2020-06-02T09:09:10.409Z | |
| ISO8601 Local TZ timestamp | date +%FT%T%Z | 2020-06-02T17:09:10CST | |
| YYYY-MM-DD (Short day) | date +%F\(%a\) | 2020-06-02(Tue) | |
| YYYY-MM-DD (Long day) | date +%F\(%A\) | 2020-06-02(Tuesday) | |
| YYYY-MM-DDThh:mm:ss+hhmm | date +%Y-%m-%dT%H:%M:%S%z | 2020-06-02T17:09:10+0800 | |
| YYYY-MM-DDThh:mm:ssZZZ | date +%Y-%m-%dT%H:%M:%S%Z | 2020-06-02T17:09:10CST |
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