1) The population is very different between daytime and nighttime in Tokyo.
2) There is a big difference between Tokyo's day and night populations.
1) The population is very different between daytime and nightime in Tokyo.
"東京で人口が日中と夜間でだいぶ違います" という訳出です
日中人口 : daytime population
夜間人口 : nighttime population
2) There is a big difference between Tokyo's day and night populations
"東京の昼夜人口には大きな違いがあります" という意味です
モロッコ 
