| Part of speech | common noun |
|---|---|
| Gender | common |
| Singular | Plural | |||
|---|---|---|---|---|
| Indefinite | Definite | Indefinite | Definite | |
| Nominative | mandag | mandagen | mandage | mandagene |
| Genitive | mandags | mandagens | mandages | mandagenes |
| Afrikaans | Maandag |
|---|---|
| Albanian | hënë |
| Catalan | dilluns |
| Czech | pondělí |
| Dutch | maandag |
| English | Monday |
| Esperanto | lundo |
| Faeroese | mánadagur |
| Finnish | maanantai |
| French | lundi |
| German | Montag |
| Greek | Δευτέρα |
| Hungarian | hétfő |
| Icelandic | mánudagur |
| Italian | lunedì |
| Jamaican Patois | Monde |
| Low German | måndag |
| Malay | Senin |
| Norwegian | mandag |
| Papiamento | djaluna |
| Polish | poniedziałek |
| Portuguese | segunda‐feira |
| Romanian | luni |
| Saterland Frisian | Moundai |
| Scots | Monanday |
| Scottish Gaelic | Di‐luain |
| Spanish | lunes |
| Sranan | munde |
| Swahili | Jumatatu |
| Swedish | måndag |
| Thai | วันจันทร์ |
| Turkish | pazartesi |
| Welsh | dydd Llun |
| West Frisian | moandei |