# Calculate Time Intervals in 12-hr System and 24-hr System

Objective: I know how to calculate time intervals in 12-hr system and 24-hr system.

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1) Calculate the time interval for the following:

a) 4.45 p.m. to 9.50 p.m.

b) 7.15 a.m. to 7.25 p.m.

c) 2.05 p.m. to 6.45 a.m. the next day

d) 5.36 a.m. yesterday to 9.38 p.m. today

2) Calculate the time interval for the following:

a) 1345 to 1850

b) 0705 to 1925

c) 1435 to 0356 tomorrow

d) 0602 yesterday to 2248 today

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