calculate how long its from 16h55 to 19h09

To calculate the duration between 16:55 and 19:09, you need to subtract the start time from the end time.

First, convert the time into a 24-hour format for easier calculation.

16:55 in 24-hour format is 16:55
19:09 in 24-hour format is 19:09

Now, subtract the start time from the end time:
19:09 - 16:55

The result is 2 hours and 14 minutes (2:14).

To calculate the duration between 16:55 and 19:09, we need to subtract the earlier time from the later time.

First, let's convert both times to a 24-hour format:

16:55 in the 24-hour format is 16 + 12 = 28 hours + 55 minutes = 28h55m.
19:09 in the 24-hour format is 19 + 12 = 31 hours + 9 minutes = 31h09m.

Now, we can subtract the earlier time from the later time:

31h09m - 28h55m = 2 hours + 14 minutes.

Therefore, the duration between 16:55 and 19:09 is 2 hours and 14 minutes.