ahşam

/axʃam/

Cases

SingularPluralWhen to use it
nominativeahşamthe eveningahşamlathe eveningsthe plain dictionary form — the doer of the sentence
genitiveahşamnıthe evening'sahşamlanıthe evenings'the owner — whose it is
accusativeahşamnıthe evening (as the object)ahşamlanıthe evenings (as the object)a specific, known object — whom or what
dativeahşamğato the eveningahşamlağato the eveningsdirection or recipient — to where, to whom
locativeahşamdaat / in the eveningahşamladaat / in the eveningswhere it is; also having — mende bar, "I have it"
ablativeahşamdanfrom the eveningahşamladanfrom the eveningswhere it comes from; also "than" when comparing
When to use each case
nominative
the plain dictionary form — the doer of the sentence
genitive
the owner — whose it is
accusative
a specific, known object — whom or what
dative
direction or recipient — to where, to whom
locative
where it is; also having — mende bar, "I have it"
ablative
where it comes from; also "than" when comparing

The endings are the same ones the pronouns wear — that page explains when each case is used.

With an owner

One ownedSeveral owned
myahşamımmy eveningahşamlarımmy evenings
yourahşamıngyour eveningahşamlarıngyour evenings
his / herahşamıhis / her eveningahşamlarıhis / her evenings
ourahşamıbızour eveningahşamlarıbızour evenings
you all'sahşamığızyou all's eveningahşamlarığızyou all's evenings
theirahşamlarıtheir eveningahşamlarıtheir evenings

The overlap in the last rows is real, not a mistake: ahşamları can mean "his / her evenings", "their evening", or "their evenings" — context decides.