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How to Periodize History: 2020 and the Decade Dilemma
- ache7 6y agoIt reminds the index of the first element in an array in different programming languages. Some use one-based indexing, others use zero. Which causes problems (bugs) when porting the program to a language with different indexing.
- zeroimpl 6y agoA decade is a time interval, so by that definition a new decade is being started and ended at every single instant of time. The important question is not when a decade has started, but rather to know what time period people are talking about when they refer to "the 20s". I think most people would consider 2020 (or 1920) to be a member of that set, but 2030 (and 1930) are not. Open question: When people refer to "the 1900s", does that include the year 2000?
- bookmarkable 6y agoYour first birthday is also the day you were born, so your 21st birthday is really the day you turn 20.
- qubex 6y agoYour 21st birthday is the day Earth is back in the angular position it was in when the event originally occurred for the twentieth time.
- mlok 6y agoIf you're born at 11pm then it is your birthnight :) (In French we don't say birthday but "anniversaire" so the day you are born cannot be counted in. You have only one birth day.)