To set date and time #
root@imx8mq-trux-q01:~# date --set="20211229 15:35"
output
Wed Dec 29 15:35:00 UTC 2021
To set the hardware RTC #
root@imx8mq-trux-q01:~# hwclock --systohc --utc
now reboot the device and check for date and time
root@imx8mq-trux-q01:~# date
Wed Dec 29 15:35:28 UTC 2021