If you want to see the date and time of your system use the date command
Date has many format options. You can use man date or read them here. If you want to find the week type the following:
date +"Week: %V"
Other examples. With -d argument you can use now, today, yesterday, tomorrow, monday (all the days), next-monday and last-monday(with all the days), last-week, next-week, last-month, next-month, last-year and next-year.
You can use tzselect to see and find out a timezone
If you want to change the timezone then add the line TZ=’Europe/Athens’; export TZ to the .profile file.
Calendar with cal
displays a calendar
displays the calendar for a year
cal -y 2019
Displays the previous, current and next month
You can read more here
- Ubuntu 18.04 – shell commands Processes
- Ubuntu 18.04 – shell commands Superuser(root)
- Ubuntu 18.04 – shell commands help and more