x_{1} is the time-duration/interval/period/[elapsed time] from time/event x_{2} to time/event x_{3}.

Also age/elapsed time (= niltei). See also cacra, cedra, citsi, ranji, tcika, junla, renvi.

- cacra
- x
_{1}is x_{2}hours in duration (default is 1 hour) by standard x_{3}. - cedra
- x
_{1}is an era/epoch/age characterized by x_{2}(event/property/interval/idea). - citsi
- x
_{1}is a season/is seasonal [cyclical interval], defined by interval/property x_{2}, of year(s) x_{3}. - junla
- x
_{1}is clock/watch/timer measuring time units x_{2}to precision x_{3}with timing mechanism/method x_{4}. - ranji
- x
_{1}(event/state) continues/persists over interval x_{2}; x_{1}(property - ka) is continuous over x_{2}. - renvi
- x
_{1}survives/endures/undergoes/abides/lasts/persists through x_{2}for interval/duration x_{3}. - tcika
- x
_{1}[hours, minutes, seconds] is the time/hour of state/event x_{2}on day x_{3}at location x_{4}. - bavji'i
- x
_{1}predicts that x_{2}(du'u) is true in/about future time/place x_{3}on grounds x_{4}. - cabyku'e
- k
_{1}=c_{1}ranges through time/has duration k_{2}=c_{2}. - caljvetei
- c
_{1}=t_{1}is space-time occupied by c_{2}. - cistcika
- t
_{1}(hours, minutes, seconds) is the daylight saving time of state/event t_{2}on day t_{3}at location t_{4}=c_{3}. - faurtei
- f
_{1}is an event that has time/temporal duration t_{1}ranging from starting time/event t_{2}to ending time/event t_{3}. - jbeseltei
- x
_{1}(living thing) is of age x_{2}(time period since birth) - kanjunla
- j
_{1}=k_{1}is a watch (portable timepiece) measuring time units j_{2}to precision j_{3}with timing mechanism j_{4}. - lirmau
- x
_{1}is earlier than x_{2}by amount of time x_{3}. - rilsletei
- x
_{1}is tempo of rhythmic movement x_{2}with the unit x_{3}; x_{1}is a time interval and corresponds to the unit x_{3}of a form of rhythm of x_{2}. - teijbi
- j
_{1}=t_{2}(point in time / point-event) is near/approximates j_{2}=t_{3}(point in time / point-event). - teipru
- x
_{1}is in the past of/earlier than/before x_{2}in time sequence, separated by an interval of x_{3} - teirmokca
- x
_{1}is an instant/moment in time x_{2} - tembalvi
- x
_{1}is in the future of/later than/after x_{2}in time sequence, separated by an interval of x_{3} - temda'o
- d
_{1}=t_{2}(point in time) is far/distant in time from d_{2}=t_{3}(point in time). - temfesti
- f
_{1}is a ruin that has decayed from time/event t_{2}to time/event t_{3} - temjudri
- x
_{1}is a point on time axis, of event/state x_{2}, in system x_{3}. - temkluza
- x
_{1}has time to spare; the time from now to when x_{1}can no longer come closer to completion is long - temli'u
- x
_{1}=l_{1}is a time traveller travelling over time interval x_{2}=l_{2}=t_{1}from x_{3}=t_{2}to x_{4}=t_{3}with time machine/time travel device x_{5}=l_{3} - tempru
- x
_{1}is in the past of/earlier than/before x_{2}in time sequence, separated by an interval of x_{3} - temsaxygau
- x
_{1}synchronizes x_{2}and x_{3} - temsepcau
- c
_{1}=s_{1}is immediately next to s_{2}in time. - temtagji
- x
_{1}is pressed for time; the time from now to when x_{1}can no longer come closer to completion is short - temtcu
- x
_{1}takes/needs x_{2}amount of time to be/do x_{3} - temymapti
- x
_{1}=t_{1}=m_{1}is a time appropriate for event x_{2}=m_{2}in aspect x_{3}=m_{3}; it's time for x_{2}; it's time x_{2}happened. - tersei
- x
_{1}is the spatial distance between x_{2}and x_{3} - zatra'i
- r
_{1}=z_{1}exists over interval r_{2}. - danci
- x
_{1}is the spacial interval/geodesic segment (or line segment/ray/line) from location/point x_{2}to location/point x_{3}in geometry/frame of reference x_{4}. - ditcu
- x
_{1}is the time-duration/interval/period/[elapsed time] of event x_{2}. - ezga
- x
_{1}(record, movie) has the dimension x_{2}(ka) - nofkovi
- x
_{1}is a time loop process following Novikov self-consistency principle with stages x_{2} - salrixo
- x
_{1}is the differintegral of x_{2}with respect to x_{3}of order x_{4}, with differintegration being according to definition/specification or of type x_{5}.