How was a day, a month or a year was decided?
Is there a time difference with friend in another country?
Let's find out everything about time with TickTock!
1. How "a day" was decided?
2. How "a year" was decided?
3. How "a month" was defined?
4. Origin of week, hour, minute and second
5. Coordinated Universal Time and Standard Time
6. Equation of time