specify a time
21Daylight saving time — This article is about daylight saving time in general. For DST in a specific location, see Daylight saving time by country. Summer time and DST redirect here. For other uses, see Summer time (disambiguation) and DST (disambiguation) …
22Old-time music — Stylistic origins British folk, African music, minstrel, Tin Pan Alley, gospel, Appalachian music Cultural origins English, Scottish, Welsh, Irish African, French, German, Spanish …
23Unix time — Unix time, or POSIX time, is a system for describing points in time, defined as the number of seconds elapsed since midnight Coordinated Universal Time (UTC) of January 1 1970, not counting leap seconds. It is widely used not only on Unix like… …
24Date and time notation by country — Different style conventions and habits exist around the world for dates and times in writing and speaking. Examples:*The order that a year, month, and day are written. *How weeks are identified. *The 24 hour clock and/or the 12 hour clock. *The… …
25System time — Unix date command In computer science and computer programming, system time represents a computer system s notion of the passing of time. In this sense, time also includes the passing of days on the calendar. System time is measured by a system… …
26Technics and Time, 1 — Technics and Time, 1: The Fault of Epimetheus (French: La technique et le temps, 1: La faute d Épiméthée ) is a book by the French philosopher Bernard Stiegler, first published by Galilée in 1994. The English translation, by George Collins and… …
27Terrestrial Time — (TT) is the modern astronomical standard for the passage of time on the surface of the Earth (for civil purposes, Coordinated Universal Time (UTC) is standard). Since time moves at different rates for observers in different locations (due to… …
28Swatch Internet Time — was a decimal time concept introduced in 1998 and marketed by the Swatch corporation as an alternative, decimal measure of time. One of the goals was to simplify the way people in different time zones communicate about time, mostly by eliminating …
29Stopping time — Example of a stopping time: a hitting time of Brownian motion In probability theory, in particular in the study of stochastic processes, a stopping time (also Markov time) is a specific type of “random time”. The theory of stopping rules and… …
30Finite-difference time-domain method — Finite difference time domain (FDTD) is a popular computational electrodynamics modeling technique. It is considered easy to understand and easy to implement in software. Since it is a time domain method, solutions can cover a wide frequency… …
