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Python: datetime.now().timestamp() 1 μs (*) 1 January 1970 RPG: CURRENT(DATE), %DATE CURRENT(TIME), %TIME: 1 s 1 January 0001 to 31 December 9999 CURRENT(TIMESTAMP), %TIMESTAMP: 1 μs Ruby: Time.now() [42] 1 μs (*) 1 January 1970 (to 19 January 2038 prior to Ruby 1.9.2 [43]) Scheme (get-universal-time) [44] 1 s 1 January 1900 Smalltalk: Time ...
The late cutoff is known as the Year 2038 problem and has the potential to cause issues as the date approaches, as dates beyond the 2038 cutoff would wrap back around to the start of the representable range in 1901. [31]: 60 Date range cutoffs are not an issue with 64-bit representations of Unix time, as the effective range of dates ...
Tuple in Standard ML, Python, Scala, Swift, Elixir; List in Common Lisp, Python, Scheme, Haskell; Fixed-point number with a variety of precisions and a programmer-selected scale. Complex number in C99, Fortran, Common Lisp, Python, D, Go. This is two floating-point numbers, a real part and an imaginary part. Rational number in Common Lisp
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Discrete time views values of variables as occurring at distinct, separate "points in time", or equivalently as being unchanged throughout each non-zero region of time ("time period")—that is, time is viewed as a discrete variable. Thus a non-time variable jumps from one value to another as time moves from one time period to the next.
Each zone line for a zone specifies, for a range of date and time, the offset to UTC for standard time, the name of the set of rules that govern daylight saving time (or a hyphen if standard time always applies), the format for time zone abbreviations, and, for all but the last zone line, the date and time at which the range of date and time ...
The time 00:00 refers to midnight at the start of a date, 12:00 to noon, and 24:00 to midnight at the end of a date, but 24 should not be used for the first hour of the next day (e.g. use 00:10 for ten minutes after midnight, not 24:10).
It is therefore the maximum value for variables declared as integers (e.g., as int) in many programming languages. The data type time_t , used on operating systems such as Unix , is a signed integer counting the number of seconds since the start of the Unix epoch ( midnight UTC of 1 January 1970), and is often implemented as a 32-bit integer. [ 8 ]