Gregorian Calendar

Months

January: mis Genver (Gen)

February: mis Hwevrer (Hwe)

March: mis Meurth (Meu)

April: mis Ebrel (Ebr)

May: mis Me (Me)

June: mis Metheven (Met)

July: mis Gortheren (Gor)

August: mis Est (Est)

September: mis Gwynngala (Gwn)

October: mis Hedra (Hed)

November: mis Du (Du)

December: mis Kevardhu (Kev)

Days

Sunday: dy Sul (Sul)

Monday: dy Lun (Lun)

Tuesday: dy Meurth (Mth)

Wednesday: dy Merher (Mhr)

Thursday: dy Yow (Yow)

Friday: dy Gwener (Gwe)

Saturday: dy Sadorn (Sad)

For further information on calendar data, see  Unicode Technical Report #35.