Change input field for time and length od gameplay to support only time and legth divisible by 5.
For example you can start at 18:05 and play for 15 minutes, but not start at 18:03 and play to 16 minutes.
What about multple choice boxes?
+--+----+---+----+----+--+--+
|5m|10m|15m|30m|45m|1h |2h|
+--+----+---+----+----+--+--+
sorted maybe the other way.
user will check those boxes which add up to gameplay length.
Example: Oh, we played 1:20 so we check 1h and 15m and 5m. This could be quite fast to fill.
Change input field for time and length od gameplay to support only time and legth divisible by 5. For example you can start at 18:05 and play for 15 minutes, but not start at 18:03 and play to 16 minutes. What about multple choice boxes? +--+----+---+----+----+--+--+ |5m|10m|15m|30m|45m|1h |2h| +--+----+---+----+----+--+--+