detke'u lujvo

The date [day,week,month,year] x1=d1=k1 is recurrence/repetition of the date [day,week,month,year] of the first event x2=d2, for the x3=k3'rd time, in system x3.

detri zei krefu. krefu2 corresponds to the date of the first event, but the place is omitted for simplicity. x4 may indicate the system of recurrence: a day of the week/month; a day/month of the year (anniversary); a year of the century etc. ex.) li renopavo pi'e pano pi'e re detke'u lo nu la gandis noi banli cu jbena kei li pavomu lo pa nanca be fi la gregoris (October 2 of 2014 is Mahatma Gandhi's 145th birthday counted by year of Gregorian calendar.)

In notes:

jbedetnunsla
s1 is the birthday celebration of x2=j1 born at time j3.
jefydeidetri
x1 (number) is the date/day notation of the week of event/state x2, in system x3.
ma'irdeidetri
x1 (number) is the date/day notation of the month of event/state x2, in system x3.
ma'irdetri
x1 (number) is the month notation of the date of event/state x2, in system x3.
ma'irjefydetri
x1 (number) is the week notation of the month of event/state x2, in system x3.
na'ardeidetri
x1 (number) is the date/day notation of the year of event/state x2, in system x3.
na'arjefydetri
x1 (number) is the week notation of the year of event/state x2, in system x3.
specfari'i
r1 is a wedding ceremony marrying x2=s1 to x3=s2.
jedlno
x1 (event/state) is on Sunday or the zeroth day of a week x2 in system x3.
jedlre
x1 (event/state) is on Tuesday or the second day of a week x2 in system x3.
jednci
x1 (event/state) is on Wednesday or the third day of a week x2 in system x3.
jednmu
x1 (event/state) is on Friday or the fifth day of a week x2 in system x3.
jednpa
x1 (event/state) is on Monday or the first day of a week x2 in system x3.
jednre
x1 (event/state) is on Tuesday or the second day of a week x2 in system x3.
jednvo
x1 (event/state) is on Thursday or the fourth day of a week x2 in system x3.
jednxa
x1 (event/state) is on Saturday or the sixth day of a week x2 in system x3.
jednze
x1 (event/state) is on Sunday or the seventh day of a week x2 in system x3.
masnbi
x1 (event/state) is in the eighth month/August of a year x2 in system x3.
masnci
x1 (event/state) is in the third month/March of a year x2 in system x3.
masndau
x1 (event/state) is in the tenth month/October of a year x2 in system x3.
masnfei
x1 (event/state) is in the eleventh month/November of a year x2 in system x3.
masngai
x1 (event/state) is in the twelfth month/December of a year x2 in system x3.
masnjau
x1 (event/state) is in the thirteenth month/Undecimber of a year x2 in system x3.
masnmu
x1 (event/state) is in the fifth month/May of a year x2 in system x3.
masnpa
x1 (event/state) is in the first month/January of a year x2 in system x3.
masnre
x1 (event/state) is in the second month/February of a year x2 in system x3.
masnrei
x1 (event/state) is in the fourteenth month/Duodecimber of a year x2 in system x3.
masnso
x1 (event/state) is in the ninth month/September of a year x2 in system x3.
masnvai
x1 (event/state) is in the fifteenth month of a year x2 in system x3.
masnvo
x1 (event/state) is in the fourth month/April of a year x2 in system x3.
masnxa
x1 (event/state) is in the sixth month/June of a year x2 in system x3.
masnxei
x1 (event/state) is in the fourteenth month/Duodecimber of a year x2 in system x3.
masnze
x1 (event/state) is in the seventh month/July of a year x2 in system x3.