zelmasti lujvo

x1 is July/the seventh month of year x2 in calendar x3.

Duration. For date, use masnze. Cf. pavmasti, nanca.

In notes:

mlajukma'i
x1 is July of year x2 in calendar x3.
pavmasti
x1 is January/the first month of year x2 in calendar x3.
zelmast
July.