The most contested word in metaphysics. Augustine set the tone sixteen centuries ago: “What then is time? If no one asks me, I know.” Every serious tradition since has broken differently on the question. This note maps the major breaks, then says how the work on this site reads them.
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The classic positions
Container or relation. Newton made time absolute, a uniform flow existing independently of everything in it, the container in its purest form. Leibniz answered that time is nothing but the order of successions, so that with no events there is no time. Most modern debate is still a descendant of this quarrel.
McTaggart’s two series. In 1908 J.M.E. McTaggart split time-talk into the A-series (past, present, future: tensed, flowing) and the B-series (earlier-than and later-than: tenseless, fixed), then argued the A-series is contradictory and time therefore unreal. Analytic philosophy of time has been sorting the wreckage since: presentism holds that only the present exists, eternalism that all times are equally real in a “block universe,” the growing-block view that past and present are real while the future is not yet.
Relativity. Einstein removed the universal now. Simultaneity is relative to the observer’s frame, and clocks in motion or in gravity genuinely disagree. Physics kept beautiful time-order within each worldline while dissolving the single cosmic timeline, a result every metaphysics of time must now live with.
Lived time. Bergson distinguished durée, duration as lived, qualitative, indivisible, from the spatialized time of clocks, accusing science of measuring space and calling it time. Husserl and the phenomenologists mapped internal time-consciousness through retention, the living present, and protention. James’s “specious present” belongs here too.
Cognate scenes. Dōgen’s uji (“being-time”: beings do not pass through time, because being is time), Nāgārjuna’s dissolution of past, present, and future as self-standing, and the many Indigenous articulations of seasonal, ceremonial, and kinship time are engaged here as cognate scenes, read on their own terms and never recruited as proof.
The reading here
Notice what nearly all the classic positions share: the container assumption, the idea that time is something happenings are in, whether that something is absolute (Newton), relational scaffolding (Leibniz), a four-dimensional block (eternalism), or a river of consciousness (Bergson, inverted). The quarrels are about the container’s shape.
The work on this site declines the container itself. A happening does not occur in time; its happening is its time. Each act keeps its own, and “time” is the family-name for happenings keeping time together: braided local rhythms, coordinated by shared instruments, with one-way facts everywhere and no master line anywhere. Irreversibility survives without the timeline, because nothing can be its own ancestor (the-once). The lived flow survives as an achievement of ensembles like us, not a cosmic current. And the clock is honored for what it always was, coordination technology among rhythms.
The full walk is What is time? The verb underneath is tending.