It is great if you can reduce your sitting time and also increase your standing and moving time during the day.   Importantly you can improve your alignment whilst sitting to reduce the impact and likelihood of issues such as shoulder tendinitis and neck tension.  For detailed and correct information watch Brooke Thomas - How to Sit Properly for Spine and Shoulder Health.

Good luck with reducing your sitting time, moving more, sitting in alignment, and increasing your quality time in this life!