Essential Mathematics teachers should change from distance-related to
time-related questions at this point. They could begin by asking about the
exact time difference (if there is no time zone) between two adjacent degrees
of longitude (24/360 hours or 4 minutes) before introducing the time zones,
followed by time-zone-related questions like: If the match between Fulham
and Everton starts at 2.30 pm on 26 December (local time), at what time
should Sydneysiders watch their favourite Australian soccer players live on