Welcome to Airtable community.
If you use paid plan then you can create calendar view with more than one date field (link on how to do it ) This option will let you display both bank days and free days in the same calendar view.
However to do the job you described I recommend the following steps:
Does it work for you? Does this solution miss anything from your process? Please text us back your feedback :slightly_smiling_face:
That does help. Not exactly what I was looking for, wanted to include holidays into our staff time off calendar. Having staff time off info and holiday info in the same table makes the grid view look confusing. I will continue to play around with it and use filters. This did help for sure. Thank you!