1 and 2 is equivalent.
- 1
sharo@kirima:~$ date "+%Y-%m-%dT%H:%M:%S%:z"
2020-05-24T14:38:26+09:00
- 2
sharo@kirima:~$ date --iso-8601='seconds'
2020-05-24T14:38:31+09:00
1 and 2 is equivalent.
sharo@kirima:~$ date "+%Y-%m-%dT%H:%M:%S%:z"
2020-05-24T14:38:26+09:00
sharo@kirima:~$ date --iso-8601='seconds'
2020-05-24T14:38:31+09:00