IT for operating businesses

Using the date Command

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|--utc]* +%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|--date]* @*1473305798*

  • Convert a given date to the Unix timestamp format:

date *[-d|--date]* "*2018-09-01 00:00*" +%s *[-u|--utc]*

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

date --rfc-3339 *date|seconds|ns*

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

sudo date *093023592021.59*

  • Display the current ISO week number:

date +%V


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