https://us.community.samsung.com/t5/Galaxy-S23/Agenda-in-increments-of-5-mins/m-p/2544537
Solved: Re: Agenda in increments of 5 mins - Samsung Community - 2544450
Jul 8, 2023 - It's possible but not obvious. To edit it to another value, click on the minutes field. A keyboard will pop up. You can then enter 03 or 02 - 2544450
samsung communitysolvedagendaincrements