c_{1} is c_{2} hours in duration (default is 1 hour) by the Coordinated Universal Time (UTC) time standard.

- cacra
- x
_{1}is x_{2}hours in duration (default is 1 hour) by standard x_{3}. - zekri
- x
_{1}(event/state) is a punishable crime/[taboo/sin] to people/culture/judges/jury x_{2}.

- cmapagjvo
- x
_{1}(text) is a lujvo with meaning x_{2}and arguments x_{3}, and which is constructed from tanru/veljvo x_{4}such that each element of the veljvo is ultimately only a cmavo (including "{zei}", "{ke}"/"{ke'e}", "{bo}", etc.), gismu, or rafsi of such cmavo or gismu. - zejvo
- x
_{1}(text) is a Lojban compound predicate using the particle “zei”; with meaning x_{2}, arguments x_{3}, built from metaphor (tanru) x_{4}. - luvrzei
- x
_{1}(text) is a Lojban compound predicate using the particle “zei”; with meaning x_{2}, arguments x_{3}, built from metaphor (tanru) x_{4}. - zeiljvo
- x
_{1}(text) is a Lojban compound predicate using the particle “zei”; with meaning x_{2}, arguments x_{3}, built from metaphor (tanru) x_{4}. - zo si si zei fa'o
- x
_{1}is a nonsense zei-lujvo using parts x_{2}, silly by standard x_{3}.

- junla
- x
_{1}is clock/watch/timer measuring time units x_{2}to precision x_{3}with timing mechanism/method x_{4}. - mentu
- x
_{1}is x_{2}minutes in duration (default is 1 minute) by standard x_{3}. - snidu
- x
_{1}is x_{2}seconds in duration (default is 1 second) by standard 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}. - temci
- x
_{1}is the time-duration/interval/period/[elapsed time] from time/event x_{2}to time/event x_{3}. - cacryme'utcika
- x
_{1}(number) is the minute/minute notation of the hour, of event/state x_{2}, in system x_{3}. - cacryra'o
- x
_{1}is x_{2}hours in angular measure of right ascension RA (default is 1). - detcacryvu'u
- x
_{1}(number) is the number of hours (pi'e for minutes) that the timezone of location x_{2}is ahead (before, if x_{1}is negative) of location/standard x_{3} - djecacrytcika
- x
_{1}(number) is the hour/hour notation of the day, of event/state x_{2}, in system x_{3}. - metnidytcika
- x
_{1}(number) is the second/second notation of the minute, of event/state x_{2}, in system x_{3}. - selcacra
- x
_{2}=c_{1}is x_{1}=c_{2}hours in duration by standard x_{3}=c_{3}. - tercacra
- x
_{3}=c_{1}is x_{2}=c_{2}hours in duration by standard x_{1}=c_{3}. - fei'u
- Prefix division by following unit selbri