

| Irish | Scottish | Manx | Welsh | Cornish | Breton | |
| Sunday | Dé Domhnaigh | Di-Domhnaich | Jedoonee | Dydd Sul | De Sul | Disul |
| Monday | Dé Luan | Di-Luain | Jelhune | Dydd Llun | De Lun | Dilun |
| Tuesday | Dé Mairt | Di-Mairt | Jemayrt | Dydd Mawrth | De Merth | Dimeurzh |
| Wednesday | Dé Céadaoin | Di-Ciadain | Jecrean | Dydd Mercher | De Mergher | Dimerc'her |
| Thursday | Déardaoin | Di-Ardaoin | Jerdein | Dydd lau | De Yow | Diriaou |
| Friday | Dé h-Aoine | Di h-Aoine | Jeheiney | Dydd Gwener | De Gwener | Digwener |
| Saturday | Dé Sathairn | Di-Sathurna | Jesarn | Dydd Sadwrn | De Sadorn | Disadorn |
| Irish | Scottish | Manx | Welsh | Cornish | Breton | |
| November | Samhain | an t-Samhain | Mee Houney | Tachwedd | Du | Miz Du |
| December | Nollaig | an Dúbhlachd | Mee Ny Nollick | Rhagfyr | Kevardhu | Kerzu |
| January | Enáir | an Faoilteach | Jerrey Gheuree | Ionawr | Genver | Genver |
| February | Feabhra | an Gearran | Toshiaght Arree | Chwefror | Hwevrer | C'hwevrer |
| March | An Márta | an Márt | Mayrnt | Mawrth | Meurth | Meurzh |
| April | An t-Aibreán | an Giblean | Averil | Ebrill | Ebryl | Ebrel |
| May | An Bhealtaine | an Ceitean | Boaldyn | Mai | Me | Mae |
| June | An Meitheamh | an t-Òg-mhios | Mean Souree | Mehefin | Metheven | Mezheven |
| July | lúil | an t-luchar | Jerrey Souree | Gorffennaf | Gortheren | Gouere |
| August | Lúnasa | an Lúnasdal | Luanistyn | Awst | Est | Eost |
| September | Meán Fómhair | an t-Sultain | Mean Fouyir | Medi | Gwynngala | Gwengolo |
| October | Deireadh Fómhair | an Dàmhair | Jerrey Fouyir | Hydref | Hedra | Here |


