timespans
Lengths of time
Timespans are durations or periods of time, measured from one point to another.
The word emphasizes extent rather than specific dates: The project covers a timespan of several months.
Often interchangeable with periods, though timespan highlights the measured interval.
Also spelled as two words: time spans.
Date-tracking system
- timelineOrdered display of events
- schedulePlan of timed events
- chronologyTemporal ordering of events
- timetableArranged list of events
planner · datebook · agenda · itinerary · countdown · stopwatch · hourglass · clock
Earliest geological eon
- CambrianEarliest Paleozoic period
- OrdovicianPaleozoic geological period
- SilurianPaleozoic period, mid-range
- DevonianGeologic period, 419-359 million years ago
Carboniferous · Permian · Triassic · Jurassic · Cretaceous · Paleogene · Quaternary · Holocene
Briefest unit of time
- momentBrief period of time
- secondUnit smaller than minute
- minuteSixtieth of an hour
- flashBrief burst of light
heartbeat · blink · jiffy · tick · nanosecond · microsecond · millisecond · breath
Distinct historical period
- ageDuration of existence
- epochDistinct historical period
- eonImmense time division
- centuryHundred-year span
decade · millennium · generation · reign · dynasty · quarter · semester · trimester
Duration between two points
- periodPunctuation ending sentences
- lengthMeasure of extent
- stretchPull to extend
- termFixed period or word
spell · stint · phase · cycle · window · block · chunk · segment
Great age, ancient era
- renaissancePeriod of renewed vitality
- prehistoricBefore documented civilization
- classicalOf ancient Greece/Rome
- medievalOf the Middle Ages
colonial · enlightenment · reformation · postwar · modern · ancient · feudal · Victorian
calendar
Date-tracking system
- timelineOrdered display of events
- schedulePlan of timed events
- chronologyTemporal ordering of events
timetable · planner · datebook · agenda · itinerary · countdown · stopwatch · hourglass · clock · sundial
Precambrian
Earliest geological eon
- CambrianEarliest Paleozoic period
- OrdovicianPaleozoic geological period
- SilurianPaleozoic period, mid-range
Devonian · Carboniferous · Permian · Triassic · Jurassic · Cretaceous · Paleogene · Quaternary · Holocene · Pleistocene
instant
Briefest unit of time
flash · heartbeat · blink · jiffy · tick · nanosecond · microsecond · millisecond · breath · twinkling
era
Distinct historical period
century · decade · millennium · generation · reign · dynasty · quarter · semester · trimester · season
interval
Duration between two points
term · spell · stint · phase · cycle · window · block · chunk · segment · slot
antiquity
Great age, ancient era
- renaissancePeriod of renewed vitality
- prehistoricBefore documented civilization
- classicalOf ancient Greece/Rome
medieval · colonial · enlightenment · reformation · postwar · modern · ancient · feudal · Victorian · Edwardian
timespansinstants
Infinitesimal time spans
moments · split seconds · nanoseconds · points in time · flashes
timespanseternity
Boundless temporal existence
infinity · timelessness · perpetuity · forever · endlessness