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(1 Ms = 11 d 13 h 46 min 40 s = 1,000,000 s) 1.6416 Ms (19 d): The length of a month of the Baha'i calendar. 2.36 Ms (27.32 d): The length of the true month, the orbital period of the Moon 2.4192 Ms (28 d): The length of February, the shortest month of the Gregorian calendar, in common years 2.5056 Ms (29 d): The length of February in leap years
A millisecond (from milli-and second; symbol: ms) is a unit of time in the International System of Units equal to one thousandth (0.001 or 10 −3 or 1 / 1000) of a second [1] [2] or 1000 microseconds. A millisecond is to one second, as one second is to approximately 16.67 minutes.
50 microseconds – cycle time for highest human-audible tone (20 kHz). 50 microseconds – to read the access latency for a modern solid state drive which holds non-volatile computer data. [5] 100 microseconds (0.1 ms) – cycle time for frequency 10 kHz. 125 microseconds – common sampling interval for telephone audio (8000 samples/s). [6]
Metric time is the measure of time intervals using the metric system.The modern SI system defines the second as the base unit of time, and forms multiples and submultiples with metric prefixes such as kiloseconds and milliseconds.
ms millisecond: 10 3 s ks kilosecond 16 minutes, 40 seconds 10 −6 s μs microsecond: 10 6 s Ms megasecond 1 week, 4 days, 13 hours, 46 minutes, 40 seconds 10 −9 s ns nanosecond: 10 9 s Gs gigasecond 31.7 years 10 −12 s ps picosecond: 10 12 s Ts terasecond 31,700 years 10 −15 s fs femtosecond: 10 15 s Ps petasecond 31.7 million years 10 ...
6 10 −6 seconds (microseconds) 7 10 −3 seconds (milliseconds) 8 10 0 seconds. 9 10 3 seconds (kiloseconds) 10 10 6 seconds (megaseconds) 11 10 9 seconds (gigaseconds)
Alternative proposals have been made (some of which are already in use), such as storing either milliseconds or microseconds since an epoch (typically either 1 January 1970 or 1 January 2000) in a signed 64-bit integer, providing a minimum range of 292,000 years at microsecond resolution.
JavaScript provides a Date library which provides and stores timestamps in milliseconds since the Unix epoch and is implemented in all modern desktop and mobile web browsers as well as in JavaScript server environments like Node.js. [24] Filesystems designed for use with Unix-based operating systems tend to use Unix time.