It’s a moving target, both from day to day and from hour to hour, so I recommend finding the position of the comet in the sky using the free Stellarium web planetarium software, entering the time of night and location you’d like to observe from.

Source: https://lcctorch.com/look-north-for-a-rare-green-glow-from-comet-c/

There’s also Stellarium, a great planetarium/star map software for your smartphone, laptop, computer, or tablet.

Source: https://www.twincities.com/2023/01/08/skywatch-become-friends-with-your-new-telescope/