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Using units of measurement
ACMMG110 – Compare 12- and 24-hour time systems and convert between them
Samples: 24 hour time - am or pm. 24 Hour Time. 24-hour time: Activity 2. Twenty-four hour time no.2.
6.GM.1 – Measure time and the attributes of objects, choosing appropriate standard units
Samples: Time. Time - 'a.m.' and 'p.m.'. 24 hour time - am or pm. 24 Hour Time. Units Of Measure Metric. Units Of Measure Metric.
7.GM.1 – Measure time and the attributes of objects, using metric and other standard measures
Samples: 24 hour time - am or pm. 24 Hour Time. Interpret timetables. Time. Converting between grams and kilograms. The tonne.
You can go to an overview of all the curricula here.