There is day and night.

Daily Apparent Motion of The Sun (Gerak semu harian matahari)

Deflection of wind direction and sea currents (Pembelokan arah angin dan arus air laut)

Different of Earth gravitational in the world

Perbedaan waktu di berbagai daerah

Needs 24 hours.

Needs 1 day.

Turn from west to east.

The velocity is 1670 km/hour.

Earth around the sun in line.

Different time during day and night.

Annual Apparent Motion of The Sun (Gerak semu tahunan)

Season changes

Different Constellation

Gregorian calender

Needs 365 days.

Needs 365 days or 1 year.

The velocity is 110000 km/hour.

Country that doesn't have midnight sun is .....