date

Set or display the system date. More information: https://www.gnu.org/software/coreutils/manual/html_node/date-invocation.html.

• Display the current date using the default locale's format:

date +%c

• Display the current date in UTC, using the ISO 8601 format:

date -u +%Y-%m-%dT%H:%M:%S%Z

• Display the current date as a Unix timestamp (seconds since the Unix epoch):

date +%s

• Convert a date specified as a Unix timestamp to the default format:

date -d @{{1473305798}}

• Convert a given date to the Unix timestamp format:

date -d "{{2018-09-01 00:00}}" +%s --utc

• Display the current date using the RFC-3339 format (YYYY-MM-DD hh:mm:ss TZ):

date --rfc-3339 s

• Set the current date using the format MMDDhhmmYYYY.ss (YYYY and .ss are optional):

date {{093023592021.59}}

• Display the current ISO week number:

date +%V