date date '+%Y%m%d-%H%M' # 20231001-1200 date '+%Y-%m-%dT%H:%M:%S%:z' # 2023-10-01T12:00:49+09:00 link
date '+%Y%m%d-%H%M' # 20231001-1200 date '+%Y-%m-%dT%H:%M:%S%:z' # 2023-10-01T12:00:49+09:00