date

Set or display the system date.

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

date +"%c"

• Display the current date in UTC and ISO 8601 format:

date -u +"%Y-%m-%dT%H:%M:%SZ"

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

date +%s

• Display a specific date (represented as a Unix timestamp) using the default format:

date -d @1473305798