Days of the Week in Celtic Languages (Irish, Welsh, Scottish Gaelic, Manx, Cornish & Breton)

Celtic language comparison

Days of the Week in Celtic Languages (Irish, Welsh, Scottish Gaelic, Manx, Cornish & Breton)

Wondering how to say the days of the week in Irish, Welsh, Scottish Gaelic, Manx, Cornish and Breton? Explore the similarities and differences side by side, with filters, column toggles and a mobile-friendly cards view.

? How to use this guide

Use the search box to find a weekday or language form quickly. Keep all languages visible, hide columns you do not need, or compare two languages side by side.

✦ Languages included

This page compares Irish, Welsh, Scottish Gaelic, Manx, Cornish and Breton, with English as the reference column.

Search by English, Irish, Welsh, Scottish Gaelic, Manx, Cornish or Breton form.

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⚙ Comparison tools

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7 Days of the week in Celtic languages

English Irish Welsh Scottish Gaelic Manx Cornish Breton
MondayLuandydd LlunDiluainJelunedy’LunLun
TuesdayMáirtdydd MawrthDimàirtJemayrtdy’MeurthMeurzh
WednesdayCéadaoindydd MercherDiciadainJecreandy’MergherMerc’her
ThursdayDéardaoindydd IauDiardaoinJerdeindy’YowYaou
FridayAoinedydd GwenerDihaoineJeheineydy’GwenerGwener
SaturdaySatharndydd SadwrnDisathairneJesarndy’SadornSadorn
SundayDomhnachdydd SulDidòmhnaichJedooneedy’SulSul

Tip: On mobile, switch to “Cards” view for a more comfortable layout.

Card view: each English day as a separate card with all Celtic equivalents stacked. Great for scrolling on mobile.

✧ Patterns to notice

Monday links Monday shows clear links: Irish Luan, Welsh dydd Llun, Cornish dy’Lun and Breton Lun.
Welsh and Cornish Welsh and Cornish both use a day-word pattern: dydd Llun / dy’Lun, dydd Mercher / dy’Mergher, and dydd Sul / dy’Sul.
Saturday forms Saturday is especially close in Welsh, Cornish and Breton: Sadwrn, Sadorn and Sadorn.
Sunday forms Sunday shows short forms in Welsh, Cornish and Breton: Sul, dy’Sul and Sul.

◎ Quick facts

7
7 day rowsMonday to Sunday are compared side by side.
6
6 Celtic languagesIrish, Welsh, Scottish Gaelic, Manx, Cornish and Breton.
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Interactive toolsSearch, hide columns, compare two languages and switch to cards.

? Celtic days FAQ

What does this page compare?

It compares the days of the week in Irish, Welsh, Scottish Gaelic, Manx, Cornish and Breton, with English as a reference.

Which Celtic languages are included?

The table includes Irish, Welsh, Scottish Gaelic, Manx, Cornish and Breton.

Does this page include a map?

No. The live page contains a comparison table, filters, column toggles and card view, but it does not include a map section.

How should I use this page on mobile?

Switch to card view to see each day as a separate mobile-friendly card with all Celtic equivalents stacked.