Convert From 12 Hour System To 24hour System by
Prisca Mwikya
6
MATHEMATICS
LESSON 93
From EPGS TIME
Converting 12hour clock time into 24hour clock system time
12hour clock systems
24 hour clock system
•In converting 12hr clock time into 24hr clock system time,time in am (before noon) digits do not change eg:4:00am becomes 0400h,10:15am becomes 1015hrs
•Anytime in p.m (between 1:00p.m upto 11:59p.m) is added to 1200h to convert into 24h clock system time
•Example 2:20p.m in 24h is 1200h+ 2:20=1420hrs
•5:15p.m becomes 1715hrs
•Express the following time in 24hour clock system
1.11:10 am
2.10:00 am
3.2:10 am
4.5:30 pm
5.6:15 pm
1.1110 hrs
2.1000 hrs
3.0210 hrs
4.1730 hrs
5.0615 hrs
