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this command is used to dispaly date and time of the system

Example$date

display the weekday for that date

Example$ date -d "1992-04-23"

dispalys the week and the year

Example$ date +"week:%V year:%y"

displays the date in the next year

Example$ date -d next-year

displays the date in the next year

Example$ date -d next-year

calculate epoch time

Example$ date +%s

gives poin of time at the partucular date

Example$ date -d "1997-04-23" +"%s"

you can get the tiime zone

Example$ TZ=PDT date

set the time to given date

Example$ date --set "20190101 11:00"

gives week and weekday and month and year

Example$ date +"week:%V weekday:%A month:%B year:%y"

gives the specific weekday for the date

Example$date -d "2023-08-23" +"%A"

gives the error invalid date

Example$ date -d "15-01-2023"

prints the whole year caleder of 2012

Examplecal 2012

prints the august 2019 calender

Examplecal 08 2019

prints 2025 calender

Examplecal 2025

Displays or sets the system date and time.

Exampledate "+%Y-%m-%d %H:%M:%S"

Displays or sets the system date and time.

Exampledate

date's Examples