Calculate with time: seconds (s), minutes (min), hours (h), days, weeks, months, years, including the relationship between units.
E1.15.2 Calculate times in terms of the 24-hour and 12-hour clock.
Calculate times in terms of the 24-hour and 12-hour clock.
E1.15.3 Read clocks and timetables
Read clocks and timetables. 1 year = 365 days. In the 24-hour clock, for example, 3.15 a.m. will be denoted by 03 15 and 3.15 p.m. by 15 15. Includes problems involving time zones, local times and time differences.