3 ms·
Because we need to know approximately the time left till dawn or dusk without having to calculate it every time in every timezone we currently are in. In fact,
by nikolay 11y ago
Because we need to know approximately the time left till dawn or dusk without having to calculate it every time in every timezone we currently are in. In fact, the date is a problem we invented - time of the day is natural, the location of the sun in the day.
- turbohz 11y agoGood point! But I think you underestimate how adaptable humans are. You would get used to midday being 18:00h very fast.