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strptime: converts a string with time information to a struct tm: wcsftime: converts a struct tm object to custom wide string textual representation gmtime: converts a time_t value to calendar time expressed as Coordinated Universal Time [5] localtime: converts a time_t value to calendar time expressed as local time mktime: converts calendar ...
According to the Single UNIX Specification for parsing two-digit years using strptime(), "values in the range [69,99] shall refer to years 1969 to 1999 inclusive and values in the range [00,68] shall refer to years 2000 to 2068 inclusive", [5] [63] meaning that, when parsed by strptime(), the two-digit year "69" would be interpreted as 1969 ...
The problem is similar in nature to the year 2000 problem, the difference being the Year 2000 problem had to do with base 10 numbers, whereas the Year 2038 problem involves base 2 numbers. Analogous storage constraints will be reached in 2106 , where systems storing Unix time as an unsigned (rather than signed) 32-bit integer will overflow on 7 ...
minutes (1 hs = 1 min 40 s = 100 s) 2 hs (3 min 20 s): The average length of the most popular YouTube videos as of January 2017 [15] 5.55 hs (9 min 12 s): The longest videos in the above study 7.1 hs (11 m 50 s): The time for a human walking at average speed of 1.4 m/s to walk 1 kilometre 10 3: kilosecond ks minutes, hours, days (1 ks = 16 min ...
3 milliseconds – a housefly's wing flap. Also the normative speed of sound (an issue in track and field) 3.3 milliseconds – normal delay time between initiation and detonation of a C4 explosive charge; 4 milliseconds – typical average seek time for a 10,000 rpm hard disk; 5 milliseconds – a honey bee's wing flap [7]
1.67 minutes (or 1 minute 40 seconds) 10 3: kilosecond: 1 000: 16.7 minutes (or 16 minutes and 40 seconds) 10 6: megasecond: 1 000 000: 11.6 days (or 11 days, 13 hours, 46 minutes and 40 seconds) 10 9: gigasecond: 1 000 000 000: 31.7 years (or 31 years, 252 days, 1 hour, 46 minutes, 40 seconds, assuming that there are 7 leap years in the interval)
Unix time numbers are repeated in the second immediately following a positive leap second. The Unix time number 1 483 228 800 is thus ambiguous: it can refer either to start of the leap second (2016-12-31 23:59:60) or the end of it, one second later (2017-01-01 00:00:00). In the theoretical case when a negative leap second occurs, no ambiguity ...
Closely related to system time is process time, which is a count of the total CPU time consumed by an executing process.It may be split into user and system CPU time, representing the time spent executing user code and system kernel code, respectively.