Yes, it is possible to switch between military time (24 h) and standard time (AM/PM) at any time. To do so, please follow the steps below:

Open your admin Smart Flow web account > click on the user icon in the top right corner > go to Settings > General > Time Notation option to switch between AM/PM and 24:00 hour time:

In case of selecting AM/PM, the time on flowsheets appears as following:

If select 24:00 h, the time on flowsheets appears like this: